A magnifying glass with focal length 15 cm is placed 10 cm above a stamp. The image of the stamp is located a. 15 cm from the magnifying glass. b. 30 cm above the stamp. c. 30 cm above the magnifying glass. d. 30 cm below the stamp. e. 30 cm below the magnifying glass.

Explanation:

All R's in series:    just add them together : 200 + 200 + 200 Ω = 600Ω

One in series with two in parallel :

   = 200 Ω   +    200*200/(200+200) Ω = 300Ω

All three in parallel :

    R = 1 / (1/200 + 1/200 + 1/200) = 66.7 Ω

An object is in a uniform circular motion. If you double its linear speed, the centripetal acceleration would increase four times.

The relationship between centripetal acceleration, speed, and radius of curvature of circular motion is given by:ac=v²/r where v = speed and r = radius of curvature of circular motion.

Centripetal acceleration is given by:ac=ω²rwhere ω is the angular velocity of circular motion. Substituting ω = v/r in the above equation, we get ac = v²/r.

Therefore, the centripetal acceleration is directly proportional to the square of the speed of an object in a circular motion.

Read more about the topic of Centripetal acceleration:

https://brainly.com/question/79801

#SPJ11

In simple meters, the beat is divided into two parts, while in compound meters, the beat is divided into three parts.

A meter, or time signature, in music notation is a fraction-like symbol placed at the beginning of a piece of music that indicates the number and duration of beats in each measure. In simple meters, such as 2/4 or 3/4, the beat is subdivided into two parts, which are typically equal in duration. In compound meters, such as 6/8 or 9/8, the beat is subdivided into three parts, each of which is typically shorter than the beat duration and adds up to the beat duration. Compound meters are often used in music genres such as jazz, Latin, and folk music.

To know more about compound meter, here

brainly.com/question/7326834

#SPJ4

In music theory, a beat is divided into two equal parts in simple meters, while in compound meters, the beat is generally divided into three equal parts. One example of a compound meter is 6/8, where the 6 beats would be split into two groups of 3 beats.

In music theory, specifically relating to rhythm and meter, a beat can be divided into different ways depending on whether the music is in simple meter or compound meter. In simple meters, the beat is divided into two equal parts. However, in compound meters, the beat is typically divided into three equal parts.

For example, if you have a compound meter such as 6/8, there are 6 beats in a measure, and these 6 beats would split into two groups of 3 beats, giving it a 'triplet feel'. This contrasts with a simple meter like 2/4, where the beats would divided into two halves.

https://brainly.com/question/32112553

(a) The position of the particle as a function of time is given by:

x(t) = A cos(2πft)

where A is the amplitude (2.00 cm), f is the frequency (1.50 Hz), and cos is the cosine function.

Substituting the given values, we get:

x(t) = 2.00 cos(3πt)

(b) The maximum speed of the particle occurs at the equilibrium position, where the displacement is zero. At this point, the velocity is maximum and is given by:

vmax = Aω

where ω is the angular frequency and is equal to 2πf. Substituting the given values, we get:

vmax = 2.00 × 2π × 1.50 = 18.85 cm/s

(c) The earliest time at which the particle has this speed is when it passes through the equilibrium position. This happens at t = 0, so the earliest time is t = 0.

(d) The maximum positive acceleration of the particle occurs at the ends of its motion, where the displacement is maximum. At these points, the acceleration is given by:

amax = Aω^2

Substituting the given values, we get:

amax = 2.00 × (2π × 1.50)^2 = 282.74 cm/s^2

(e) The earliest time at which the particle has this acceleration is when it reaches the maximum displacement. This happens at t = 1/4T, where T is the period of the motion. The period is given by:

T = 1/f = 2/3 s

So, t = 1/4T = 1/4 × 2/3 = 0.33 s

(f) The total distance traveled by the particle between t = 0 and t = 1.00 s is equal to one complete cycle of its motion. The distance traveled in one complete cycle is equal to four times the amplitude, or:

4A = 8.00 cm

Therefore, the total distance traveled is:

8.00

By kirchoff rule ,The sum of the magnitudes of the currents directed into a junction equals the sum of the magnitudes of the currents directed out of the junction. Therefore, the correct option is d, which says that the sum of the magnitudes of the currents directed into a junction equals the sum of the magnitudes of the currents directed out of the junction.

How does a junction work?A junction is a point where two or more lines meet. The current flowing into the junction must be the same as the current flowing out of it. The current will divide into various branches at the junction. The sum of the current entering the junction equals the sum of the current exiting the junction. Therefore, the current through one branch must be subtracted from the current through the other branch when calculating the current through each branch.The law of conservation of charge says that charge is neither created nor destroyed. Thus, the sum of the charges that flow into a junction must equal the sum of the charges that flow out of it, according to Kirchhoff's junction rule.The Kirchhoff's junction rule states that the sum of the currents into a junction must equal the sum of the currents leaving the junction. When two or more resistors are connected in a circuit, they share the current flowing through the circuit in the same direction, and the current is split into two or more branches.

for more such questions on Kirchoff' rule

https://brainly.com/question/14681219

#SPJ11

The mechanical energy of the systems in all four cases is conserved, except for in Case III and Case IV.

In Case I, the mechanical energy of the two blocks is conserved because the surface is frictionless and there are no external forces on either block.

In Case III, the mechanical energy of the block is not conserved because tension from the string is a non-conservative external force.

In Case II, the mechanical energy of the spring and block system is not conserved because the surface is rough.

In Case IV, after the cannonball is launched and before it hits the ground, the mechanical energy of the system is not conserved because there is an external force from the cannon on the ball that makes it fly forward.

To learn more about "mechanical energy", https://brainly.com/question/30403434

#SPJ11

Total work done is Wnet = 1/2mv₂² - 1/2mv₁²

Let the mass of the sled be m and the magnitude of the net force acting on the sled be Fnet .

The sled starts from rest. Consider an interval of time during which the sled covers a distance s and the speed of the sled increases from v₁ to v₂ . We will use this information to find the relationship between the work done by the net force (otherwise known as the net work) and the change in the kinetic energy of the sled.

Use W = F s cos (theta) to find the net work Wnet done on the sled. Express your answer in terms of some or all of the variables m ,v₁ and v₂.Using the work-energy principle, we can calculate the work done on an object in terms of its change in kinetic energy. Consider the sled being acted upon by a force Fnet.

W = ΔK is used to calculate the work done on the sled as it moves from rest to velocity v₁ and then to velocity v₂ over a distance s.

Considering the sled to be the system under study, we can write the net work done on the sled as Wnet = ΔK.Wnet = 1/2mv₂² - 1/2mv₁² = Fnet s cos θWnet = Fnet s cos θ = 1/2mv₂² - 1/2mv₁²

To know more about net force click on below link:

https://brainly.com/question/29261584#

#SPJ11

Parts of the mixer become hot because some of the electrical energy is converted into heat energy.

When electrical energy flows through a wire, it encounters resistance, which causes the wire to heat up. In a mixer, the electric motor converts electrical energy into mechanical energy to rotate the blades, but some of the electrical energy is lost as heat due to resistance in the motor's winding and other electrical components. This heat energy can accumulate in the mixer's parts and cause them to become hot. In many electrical devices, heat is an undesirable byproduct of energy conversion and can lead to reduced efficiency, damage, or safety hazards.

To know more about electrical energy, here

brainly.com/question/16182853

#SPJ4

--The complete Question is,  Fill in the blanks. " Parts of the mixer become hot because some of the electrical energy is changed into____"--

The time it takes for a crest of the wave to travel the length of the wire is 0.07 seconds.

To calculate the time it takes for a crest of the wave to travel the length of the wire, we can use the formula:

velocity = frequency x wavelength

First, we need to calculate the velocity of the wave. We know the frequency is 880 Hz and the wavelength is 3 m, so:

velocity = 880 Hz x 3 m

velocity = 2640 m/s

Next, we can use the velocity to calculate the time it takes for a crest of the wave to travel the length of the wire. We know the length of the wire is 6 m, so:

time = distance / velocity

time = 6 m / 2640 m/s

time = 0.00227 s

However, this is the time it takes for the wave to travel one round trip along the wire (i.e. from one end of the wire to the other and back). Since we only want to know the time it takes for a crest of the wave to travel from one end of the wire to the other, we need to divide this result by two:

time = 0.00227 s / 2

time = 0.00114 s

Finally, we can round this answer to two decimal places:

time = 0.07 s

For more similar questions on "wavelength"

brainly.com/question/24452579

#SPJ11.

The correct option is D; The cart moved at a constant velocity of 0.5m/s for the entire 7 seconds.

Constant acceleration is represented as a horizontal line on the acceleration graph. The slope of the velocity graph represents the acceleration. On the velocity graph, constant acceleration Equals constant slope = straight line.

Acceleration is represented in a velocity-time graph by the slope, or steepness, of the graph line. If the line slopes upward, as seen in the figure between 0 and 4 seconds, velocity increases, and acceleration is positive. The velocity-time graph will be a curve when the acceleration increases with time, as anticipated by the equation: v = u + at.

Learn more about velocity

https://brainly.com/question/24909693

#SPJ1

Options b and c are correct. These two are the reasons that indicate why one doesn't have to know how the wire is bent.

An electric field is a vector field created by a charged object. When a charged particle interacts with the electric field of another charged particle, it will experience a force, which can be either attractive or repulsive. The electric field at a given point in space is determined by the charge and distribution of charges in the space, as well as by the location and orientation of the observer. The strength of the electric field is measured in units of volts per meter (V/m).

Electric field (E) is not dependent on how the wire is bent, only the diameter of the wire is needed. And since conventional current flows in the direction of [tex]E\rightarrow[/tex], E is the same in every part of the wire with uniform properties. This implies that E must be parallel to the wire at every location even if the wire twists and turns. Therefore, even if the wire is bent, one need not know its shape, as long as the properties remain constant.

Thus, options b and c are the correct answers.

Learn more about electric current:

https://brainly.com/question/1100341

#SPJ11

An arrow fired from a bow keeps moving because of momentum conservation.

When an arrow is fired from a bow, it keeps moving after it leaves the bow because of the conservation of momentum.

When the bowstring is pulled back, the potential energy in the bow is stored as elastic potential energy in the bowstring. When the bowstring is released, the elastic potential energy is transferred to the arrow, which causes the arrow to accelerate forward.

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the bowstring exerts a force on the arrow, the arrow exerts an equal and opposite force on the bowstring, causing the bow to recoil backward. This recoil also contributes to the momentum of the arrow.

More on momentum conservation can be found here: https://brainly.com/question/2141713

#SPJ1

The linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface can be calculated using the equation for conservation of energy is  5.41 m/s.

The equation is KEf = KEi + PEi.

where, KEf is the kinetic energy of the hoop just as it leaves the incline and KEi is the initial kinetic energy of the hoop at the beginning of the incline and PEi is the initial potential energy of the hoop at the beginning of the incline. The initial potential energy of the hoop is equal to the mass of the hoop (3.2 kg) multiplied by the acceleration due to gravity (9.8 m/s2) multiplied by the height of the incline (1.40 m):

PEi = 3.2 kg × 9.8 m/s² × 1.40 m = 44.56 J

The initial kinetic energy of the hoop is equal to 0, since the hoop is starting from rest.

Therefore, the equation for conservation of energy can be written as follows:

KEf = 0 + 44.56 J

The kinetic energy of the hoop just as it leaves the incline is equal to the mass of the hoop (3.2 kg) multiplied by the linear speed of the hoop's center of mass (v) squared, divided by two:

KEf = 3.2 kg × (v²) / 2

By combining the two equations above, we can solve for the linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface:

v = √(2 × 44.56 J / 3.2 kg) = 5.41 m/s

Therefore, the linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface is 5.41 m/s.

Read more about the mass here:

https://brainly.com/question/19385703

#SPJ11

Due to the fact that they go against one or more of the aforementioned restrictions, options a), b), and c) are not permitted groups of quantum numbers.

An allowed set of quantum numbers must follow certain rules that govern the behavior of electrons in atoms. The principal quantum number (n) indicates the energy level of the electron, the angular momentum quantum number (l) indicates the shape of the orbital, and the magnetic quantum number (ml) indicates the orientation of the orbital in space. The values of n, l, and ml must all be integers, and they must also satisfy certain constraints.

Of the options given, only option d) n = 3, l = 2, ml = -1 is an allowed set of quantum numbers. This is because n = 3 indicates the electron is in the third energy level, l = 2 indicates that it is in a d orbital (since l = 0 corresponds to an s orbital, l = 1 corresponds to a p orbital, and so on), and ml = -1 indicates that the orbital is oriented in a specific direction in space.

Options a), b), and c) are not allowed sets of quantum numbers because they violate one or more of the constraints mentioned above.

To learn more about angular momentum refer to:

brainly.com/question/29716949

#SPJ4

The magnitude of the centripetal acceleration of the star with mass m2 is:

[tex]a_2 = (m_1/m_2) \times a_1 = (m_1/m_2) \times a1[/tex]

In a binary star system, the two stars revolve around their common center of mass. Let's call this center of mass "C".

According to Newton's second law, the centripetal acceleration of each star is related to the gravitational force between the two stars:

[tex]a_1 = F_1/m_1[/tex]

[tex]a_2 = F_2/m_2[/tex]

where F1 and F2 are the gravitational forces exerted by each star on the other.

Since the two stars are in orbit around each other, the gravitational force between them provides the necessary centripetal force:

F1 = F2 = F

where F is the gravitational force between the two stars.

The magnitude of the centripetal acceleration of the star with mass m2, a2, can be calculated using the equation:
[tex]m_1a_1=m_2a_2[/tex]
[tex]a_2 = (m_1/m_2) \times a_1[/tex]

where m1 is the mass of the first star, m2 is the mass of the second star, and a1 is the magnitude of the centripetal acceleration of the star with mass m1. Therefore, the magnitude of the centripetal acceleration of the star with mass m2 is:
[tex]a_2 = (m_1/m_2) \times a_1 = (m_1/m_2) \times a_1[/tex]

Learn more about centripetal acceleration:

https://brainly.com/question/19246433

#SPJ11

D. The statement that is true concerning the pressure gradient force (PGF) is: the PGF acts from high to low pressure in the northern hemisphere and from low to high pressure in the southern hemisphere when the vertical PGF balances gravity the air is in geostrophic balance.

The pressure gradient force (PGF) is a force that results from the horizontal differences in atmospheric pressure. The PGF is responsible for moving air in a horizontal direction. A is not true, as other forces, such as Coriolis force, can cause the air to accelerate horizontally. B is also not true, as the PGF has a magnitude that can change depending on the pressure gradient. C is true, as the PGF is stronger where the isobars are far apart, as this indicates a steeper pressure gradient and thus a stronger force. D is true, as the PGF acts from high to low pressure in the Northern Hemisphere and from low to high pressure in the Southern Hemisphere. When the vertical PGF balances gravity, the air is in geostrophic balance, meaning that the air is in equilibrium and is not accelerating either up or down.

The PGF is an important force that affects global atmospheric circulation. It is the force responsible for the movement of air from high pressure to low pressure, causing winds to flow from regions of high pressure to regions of low pressure. As the pressure gradient varies from place to place, the strength and direction of the PGF varies accordingly. The PGF is also an important component of cyclones and anticyclones.

In summary, the pressure gradient force (PGF) is a force that results from horizontal differences in atmospheric pressure. The PGF is stronger where the isobars are far apart, and acts from high to low pressure in the Northern Hemisphere and from low to high pressure in the Southern Hemisphere. When the vertical PGF balances gravity, the air is in geostrophic balance. The PGF is an important component of global atmospheric circulation and is responsible for the movement of air from high pressure to low pressure.

For such more questions on pressure gradient force

https://brainly.com/question/30174632

#SPJ11

1) The frequency fi of the ith normal mode is given by the equation fi = v/2λi, where λi is the wavelength of the ith mode.

2) The three lowest normal mode frequencies f1, f2, and f3 can be expressed in terms of L, v, and constants as follows: f1=v/2L, f2=v√2/2L, and f3=v2/2L.

3) The frequencies can be listed in increasing order as f1=v/2L, f2=v√2/2L, f3=v2/2L.

A dynamical system's normal mode of motion is a pattern of motion in which every component oscillates sinusoidally at the same frequency and with the same fixed phase relationship. The normal modes' description of free motion occurs at set frequencies. These constant frequencies of a system's normal modes are referred to as its natural or resonant frequencies.

Learn more about mode, frequency at : https://brainly.com/question/11722229

#SPJ11

When a force does positive work, negative work, and zero work displacement is the same direction, opposite direction, and no displacement respectively. The required force sketches are attached below.

When a force (1) does positive work, the force and displacement arrows point in the same direction. This signifies that the force is operating in the same direction as the object's displacement.

When a force (2) does negative work, the force and displacement arrows point in opposite directions. This signifies that the force is operating in the opposite direction of the object's displacement.

When a force (3) does not work, the force and displacement arrows are perpendicular or the force is zero. This indicates that either the force is operating perpendicular to the displacement, producing no work, or the force is zero, doing no work.

Learn more about the forces here:

https://brainly.com/question/18109210

#SPJ12

Given passage is a story reading about a community called "Sitio Katamakawan" and their unhealthy living and lifestyle.

Learn more about lifestyle:

https://brainly.com/question/30338403?referrer=searchResults

#SPJ4

We can apply the formula [tex]v = \sqrt{(14.715 m/s^2 * r)}[/tex]   to determine the peregrine falcon's speed. A falcon can reach a centripetal acceleration that is 1.5 times the acceleration of free fall.

We can use the centripetal acceleration formula to find the speed of the peregrine falcon in this scenario:

[tex]a_c = v^2 / r[/tex]

where [tex]a_c[/tex]is the centripetal acceleration, v is the speed of the peregrine falcon, and r is the radius of the circular turn.

We are given that the centripetal acceleration of the peregrine falcon is 1.5 times the free-fall acceleration, which we can approximate as 9.81 m/s². Therefore, we have:

[tex]a_c = 1.5 * 9.81 m/s^2\\a_c = 14.715 m/s^2[/tex]

We can also assume that the radius of the circular turn is a characteristic of the maneuvering ability of the peregrine falcon, and is independent of its speed. Therefore, we can write:

[tex]a_c = v^2 / r[/tex]

Solving for v, we get:

[tex]v = \sqrt{(a_c * r)}[/tex]

Substituting the values we obtained earlier, we get:

[tex]v = \sqrt{(14.715 m/s^2 * r)}[/tex]

Therefore, the speed of the peregrine falcon in this tight circular turn depends on the radius of the turn. If we know the radius, we can use the equation [tex]v = \sqrt{(14.715 m/s^2 * r)}[/tex] to calculate the speed of the peregrine falcon.

Learn more about acceleration here:

https://brainly.com/question/20382454

#SPJ4

Explanation:

More....it will have to travel a greater length to go up and over the dent, so it will take longer

The planet's radius is approximately 2.13 × 10^6 meters.

To find the planet's radius, we can use the following formula:

v² = GM/r

where v is the satellite's velocity, G is the gravitational constant, M is the planet's mass, and r is the planet's radius.

Since the satellite is just above the surface of the planet, we can assume that r is equal to the sum of the planet's radius and the satellite's altitude above the surface. Let h be the altitude of the satellite above the planet's surface, then we have:

r = planet's radius + h

Substituting this expression for r into the equation above and solving for the planet's radius, we get:

r = GM/v² - h

where G = 6.6743 × 10^-11 Nm²/kg² is the gravitational constant.

Substituting the given values, we get:

r = (6.6743 × 10^-11 Nm²/kg²) * M / (8400 m/s)² - h

We can also use the formula for the acceleration due to gravity at the surface of a planet:

g = GM/r²

where g is the acceleration due to gravity at the planet's surface.

Solving for M in this equation, we get:

M = g * r² / G

Substituting the expression for r from above and solving for r, we get:

r = √(GM/g)

Substituting the given values, we get:

r = √((6.6743 × 10^-11 Nm²/kg²) * M / (14.4 m/s²))

Equating this expression for r with the previous one, we get:

(6.6743 × 10^-11 Nm²/kg²) * M / (8400 m/s)² - h = √((6.6743 × 10^-11 Nm²/kg²) * M / (14.4 m/s²))

Squaring both sides and rearranging, we get:

M = (8400 m/s)² * (14.4 m/s²) * h / (2 * G)

Substituting this expression for M into the equation for r, we get:

r = √((8400 m/s)² * h / (2 * g))

Substituting the given values, we get:

r = √((8400 m/s)² * h / (2 * 14.4 m/s²))

r = 2.13 × 10^6 meters

Therefore, the planet's radius is approximately 2.13 × 10^6 meters using v² = GM/r.

Learn more about planet radius below.

https://brainly.com/question/16233311

#SPJ1

Answer:

The mass remains the same since stoichiometrically one mole reacts and one mole is formed

Explanation:

Calcium chloride is reacting with Sodium sulphate to form a white precipitate of calcium sulphate.

[tex]{ \sf{CaCl _{2} + Na_{2} SO_{4} → CaSO _{4} + 2NaCl}}[/tex]

From the equation, 1 mole of calcium chloride forms 1 mole of calcium sulphate.

R.F.M of CaCl2 = 40 + (35.5×2) = 111

R.F.M of CaSO4 = 40 + 32 + (16×4) = 136

R.F.M of Na2SO4 = (23×2) + 32 + (16×4) = 142

R.F.M of 2NaCl = 2[23 + 35.5] = 117

[tex]{ \sf{(r.f.m \: of \: rectants) = (r.f.m \: of \: products)}} \\{ \sf{ (mass \: of \: rectants) = (mass \: of \: products)}} \\ \\ { \sf{(111 + 142) = (136 + 117)}} \\ { \sf{300.23 = x}} \\ \\ { \sf{x = \frac{300.32}{(111 + 142)} \times (136 + 117) }} \\ \\ { \sf{x = \frac{300.32}{253} \times 253 }} \\ \\ { \sf{x = 300.32}}[/tex]

Answer:

The mass remains the same

Explanation:

The potential energy of the ball at this point is maximum as the ball has the highest height at this point.
The momentum of the ball at this point is given by the product of mass and velocity. As the velocity of the ball is zero, its momentum is also zero.
Momentum = 0, KE = 0, PE > 0
Hence, the ranks of quantities at each point are as follows:
A) C, B = D, A
B) C, B = D, A
C) A, B = D, C

The ball is at rest at the left of the metal track. It is assumed to have enough friction to roll, but not enough to reduce its speed. In this question, we have to rank the quantities from the greatest to the least at each point. Given below are the quantities that are to be ranked,

a) Momentum,

b) KE,

c) PE.
Rank of quantities at each point:
At point A: Here, the ball has the maximum height. It is at rest at this point. At this point, the ball has the highest potential energy, PE.
PE>KE=0
The velocity of the ball at this point is zero. Hence, the kinetic energy of the ball is zero.
The momentum of the ball is given by the product of mass and velocity. As the velocity of the ball is zero, its momentum is also zero.
Momentum = 0, KE = 0, PE > 0
At point B: At this point, the ball has converted some of its potential energy into kinetic energy. The ball has lost some of its height, and hence, its potential energy.
[tex]PE>BKE, KE>BPE[/tex]
As the ball is moving, it has some velocity. Hence, it has kinetic energy.
The momentum of the ball at this point is given by the product of mass and velocity. As the velocity of the ball is non-zero, its momentum is also non-zero.
Momentum > 0, KE > 0, PE < 0
At point C: At this point, the ball has lost all its potential energy, and all of it is converted into kinetic energy.
[tex]KE>CPE, PEC=0[/tex]
The velocity of the ball is the highest at this point. Hence, the kinetic energy of the ball is the highest at this point.
The momentum of the ball at this point is given by the product of mass and velocity. As the velocity of the ball is the highest at this point, its momentum is also the highest.
Momentum > 0, KE > 0, PE = 0
At point D: At this point, the ball has lost all its kinetic energy due to friction. Hence, it comes to rest at this point.
KE=0, PED>0

for such more questions on momentum

https://brainly.com/question/1042017

#SPJ11

The bowling ball initially at rest. The bowling ball and putty then move with a velocity of 2 m/s.

The combined mass of the putty and the bowling ball is 6 kg. Using the principle of conservation of momentum, we can calculate the velocity of the bowling ball and putty after the collision.

Given:

Mass of putty=1kg

Velocity of putty=12 m/s

Mass of bowling ball=5kg

Velocity of bowling ball= 0 m/s

As the putty collides with the ball and sticks to it, we can say that they move together after the collision.

Let v be the velocity of putty and bowling ball after collision.

Momentum (p) = mass (m) * velocity (v)
Therefore, momentum before collision = (mass of putty x velocity of putty) + (mass of ball x velocity of ball) = 1 x 12 + 0 x 5 = 12 kg m/s

Momentum after collision = (mass of putty + mass of ball) x velocity after collision= 6 x v kg m/s

So, according to the law of conservation of momentum,12 = 6 x v = 2 m/s

Therefore, the bowling ball and putty move with a velocity of 2 m/s after the collision.

Therefore, the velocity of the bowling ball and putty after the collision is 2 m/s when 1-kg chunk of putty moving at 12 m/s collides with and sticks to a 5-kg bowling ball initially at rest.

To know more about Velocity please visit ;

https://brainly.com/question/80295

#SPJ11

Answer:

Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today. It is easily recognizable due to its distinctive 'W' shape, formed by five bright stars. Visible at latitudes between +90° and −20°.

Answer:

Cassiopeia is a fascinating constellation with a rich history and cultural significance, as well as an important object of study for astronomers and scientists

Explanation:

Cassiopeia is a constellation located in the northern hemisphere of the sky. It is one of the 88 constellations officially recognized by the International Astronomical Union (IAU). The constellation is named after Queen Cassiopeia of Greek mythology, who was the wife of King Cepheus and mother of Princess Andromeda.

The constellation is easily recognizable for its distinctive shape, which looks like a "W" or "M" depending on its orientation in the sky. This shape is formed by five bright stars, which represent the Queen's throne and her legs. The brightest star in the constellation is known as Gamma Cassiopeiae, which is a massive blue-white star located about 550 light-years away from Earth.

Cassiopeia is visible in the sky all year round from most locations in the northern hemisphere, and it can be easily found by looking for its distinctive shape. It is also part of the Milky Way galaxy, which makes it a popular target for amateur astronomers who want to observe the stars and galaxies in our own galaxy.

Overall, Cassiopeia is a fascinating constellation with a rich history and cultural significance, as well as an important object of study for astronomers and scientists.

To calculate the time between claps, we can use the formula:

time = 2 x distance / speed of sound

Substituting the given values, we get:

time = 2 x 24.0 m / 325 m/s = 0.148 s

Therefore, Sophie waited for 0.148 seconds between claps.

The frequency of 1.5 × 10^12 Hz corresponds to the microwave region of the electromagnetic spectrum. Therefore, the type of radiation emitted is microwave radiation.

The wave speed of the buoy can be calculated using the formula:

wave speed = wavelength / period

Since the buoy rises to its maximum height n times in 4 seconds, its period is 4/n seconds. Therefore, the expression for its wave speed is:

wave speed = 1/(4/n) = n/4 m/s

Learn about frequency here https://brainly.com/question/254161

#SPJ1

The distance from which the 14 kg mass have to fall is 40.4 m and the speed at which the mass would be moving on Mars when the drum gains 150.0 J of kinetic energy is 11.7 m/s.

The mass required to fall through a distance of 5.00 m is 14.0 kg. When it comes to the gravitational acceleration of Earth, the mass of 14.0 kg requires 150.0 J of kinetic energy to be supplied to the drum. On Mars, the same system would operate with a gravitational acceleration of 3.71 m/s².

To figure out the distance that the 14.0-kg mass will have to fall on Mars to give the same amount of kinetic energy, use the following formula:

PE = mgh

PE = KE (because KE = work done = energy given to the drum)

Substituting the values, we get:

KE = mgh (on earth)

KE = 150.0 J

m = 14.0 kg, g = 9.81 m/s², h = distance fallen

On Mars, we will need to use the formula:

KE = mgh

KE = mgh (on Mars)

KE = 150.0 J

m = 14.0 kg, g = 3.71 m/s², h = distance fallen

h = 40.4 m

KE = 1/2 mv² + mgh

where, KE = 150.0 J

m = 14.0 kg

g = 3.71 m/s²

h = distance fallen

Substituting the above values, we get:

KE = 1/2 mv² + mgh

150.0 = 1/2 × 14.0 × v² + 14.0 × 3.71 × h

Substituting the value of h from part (a) gives:

150.0 = 1/2 × 14.0 × v² + 14.0 × 3.71 × 40.4

Now we can solve the above equation for v:

v = 11.7 m/s

Therefore, the speed at which the mass would be moving on Mars when the drum gains 150.0 J of kinetic energy is 11.7 m/s.

Learn more about Speed here:

https://brainly.com/question/17661499

#SPJ11

If the metal sphere is positively charged, then the excess electrons will move to the metal sphere. But if it's negatively charged, the excess electrons will repel the metal sphere.