The image below shows the combined wave for Sound A + B, where Sound A has a higher frequency than Sound B. What is the frequency of Sound A?

The object travelled 63 meters at 9m/s for 7 seconds.

The length of the trajectory taken between the initial and final positions of the moving body is the distance traveled.

To calculate the distance traveled by an object traveling horizontally off a cliff, you can use the formula:

d = v * t

where d is the distance traveled, v is the velocity (9 m/s), and t is the time (7 seconds).

By substituting the given values into the formula, we get:

d = 9 * 7 = 63 meters

So, the object traveled 63 meters horizontally before it hit the ground after being launched off the cliff at 9 m/s for 7 seconds.

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The fact is that the speed of the bullet plus the speed of sound is equal to the total distance traveled divided by the total time taken. Speed of bullet + Speed of sound = Total distance traveled / Total time taken.

We know the speed of sound is 340 m/s, the distance traveled is 200 m, and the time taken is 0.85 seconds. We can use these values to find the speed of the bullet.

Speed of bullet = (Total distance traveled / Total time taken) - Speed of sound

By substituting the values, we get:

Speed of bullet = (200m / 0.85s) - 340m/s

Speed of bullet = 235.29 m/s

Therefore, the speed of the bullet was 235.29 m/s.

Nothing can travel faster than the speed of light, according to Einstein's special relativity theory, which was first published in 1905. According to Einstein, this speed is a basic constant of nature since it seems the same to all observers, regardless of where they are in space.

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The force of gravity that Saturn (mass = 5. 7 x 1026 kg) exerts on a woman on Earth (mass = 61 kg) when Saturn is closest to Earth = 1. 2 x 10° km. ​

Formula used in step two. F = G m 1 m 2 r 2. Step 3: Determine the gravitational force.

Calculating the gravitational force is step three. F = 6.7 10 11 by changing the values in the formula above. 2 × 10 30 × 6 × 10 24 1 .5 × 10 11 2 F = 3 .

The formula for the gravitational constant of the universe is G = 6.674 x 10 - 11 m3/kg s2. Thus, this is the gravitational pull of the sun on the planet.

F = Gm1m2R2, where G is the gravitational constant of the universe. The gravitational force between two bodies of equal mass that are kept at an equal distance from one another constitutes the universal gravitational constant.

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It is a passive stretch if it depends on an outside force. Stretches that are passive and static are a fantastic technique to increase flexibility and can also be utilised to cool down.

Passive stretching, which is called a static stretch, is a technique in which you remain calm and do not add to the range of motion. Static stretching involves stretching all the way to the end and holding the stretch. An external force, like a partner, is instead produced by an external force.

This stretching technique relies on a prop, accessory, or partner to help increase the stretch, thus you aren't actively assisting in extending your range of motion. Passive stretches improve flexibility while reducing muscle soreness and tiredness after a workout.

Stretching with movement is known as dynamic stretching. It stretches the muscles by using the muscles themselves. The usual "static" stretching is not like this.

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The final speed of the astronaut after throwing the oxygen tank can be calculated using the conservation of momentum principle.

This principle states that the total momentum of an isolated system remains constant if no external forces act on the system.The momentum of the oxygen tank is given by the equation.

p_t = m_t*vThe conservation of momentum principle states that the initial momentum of the system is equal to the final momentum of the system.

p_i = p_f

The final momentum of the system is the momentum of the astronaut-tank system after the astronaut throws the tank.

p_f = (m_a + m_t)v_f = (64.5 + 12) * v_f = 76.5 * v_f

So the final momentum of the system is equal to the momentum of the oxygen tank.

p_t = m_tv = 1214.9 = 178.8We can set the two equations equal to each other and solve for v_f

178.8 = 76.5 * v_f

v_f = 178.8 / 76.5

v_f = 2.33 m/s

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The average angular acceleration has a value of 0.74 rad/s2.

Applying a force tangential to the rim and in the direction of the instantaneous velocity of the piece of the rim you are applying the force to will most likely increase the angular speed. Reversing the direction of the force will slow down the angular speed.

(rad/s)/s or rad/s2 are the units of angular acceleration. If rises, is a positive number. is negative if it decreases. Remember that the positive direction is counterclockwise and the negative direction is clockwise.

F = m r α . τ=mr2α. τ = m r 2 α

initial rotaton speed=10rad/s

final speed=6.3rad/s

time=5sec.

α=(10-6.3)/5 =.74rad/s

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The characteristics which I would suggest are the planet should be dense, solid and located near star.

All the eight planets of the solar system move around the sun in fixed paths. These paths are elongated. They are called orbits. Mercury is nearest to the sun. It takes only about 88 days to complete one round along its orbit.

Venus is considered as ‘Earth’s-twin’ because its size and shape are very much similar to that of the earth.

Till recently (August 2006), Pluto was also considered a planet. However, in a meeting of the International Astronomical Union, a decision was taken that Pluto like other celestial objects (Ceres, 2003 UB313) discovered in recent past may be called ‘dwarf planets.

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The correct option is C. β-sheet type of protein secondary structure does the structure shown here (Figure 1) represent.

A shape is an arrangement and organization of interrelated elements in a fabric item or gadget, or the item or system so prepared. material systems encompass guy-made items consisting of homes and machines and natural items which include organic organisms, minerals, and chemical compounds. abstract structures consist of statistics structures in pc science and musical shape.

Sorts of the shape include a hierarchy (a cascade of one-to-many relationships), a network providing many-to-many links, or a lattice presenting connections among additives that can be pals in space.

Built structures are widely divided by using their various design approaches and requirements, into classes together with constructing systems, architectural structures, civil engineering structures, and mechanical structures.

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Complete Question:

What type of protein secondary structure does the structure is shown here (Figure 1) represent?

A). α-helix

B). α-sheet

C). β- helix

D). β-sheet

E). γ turn

The mass of the pilot flying a small plane is 75.74 kg.

Centripetal acceleration is a characteristic of an object's motion along a circular path. Centripetal acceleration applies to any item travelling in a circle with an acceleration vector pointing in the direction of the circle's center.

Speed of the small plane: v = 130 m/s.

Radius of circular path: r = 400 meter.

Hence, centripetal acceleration: a = v²/r = (130)²/400  m/s² = 42.25 m/s²

Required force: F = 3200 N.

Hence, from Newton's 2nd law of motion:

The pilot's mass  = force/acceleration

= 3200/42.25 kg

= 75.74 kg.

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A jumbo jet can fly its whole length in 20 seconds at a certain speed and has a 284-foot length. The big jet taxied completely past a 710-foot-long hangar in 70 seconds while travelling at the same speed.

In physics, you can get average speed by dividing the total distance travelled by the total time needed to travel that distance. Speed is the rate of change in an object's position, expressed in metres per second. The rate at which an object travels a distance is considered its speed. High speed describes an object that is travelling quickly.

P should represent the plane's length in feet.

20p = (710+p)/20p = 14200+20p 50p = 14200 p = 284ft

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Kinetic energy: A) 1250 J: Velocity = √(2*1250/108) = 8.2 m/s, D) 1.2 kj: Velocity = √(2*1200/108) = 82 m/s and G) 90 kj: Velocity = √(2*90000/108) = 819 m/s.

Kinetic energy is the energy of motion. It is the energy an object has due to its motion. Kinetic energy can be calculated by multiplying half of an object's mass by the square of its velocity. Kinetic energy is a form of energy that is transferred between objects due to their motion. It is the energy of a moving object and is equal to the work done to accelerate the object from rest to its current velocity. Kinetic energy is associated with the motion of an object and is proportional to the square of its velocity. Kinetic energy is a form of energy that is associated with the motion of an object. It is the energy of a moving object and is equal to the work done to accelerate the object from rest to its current velocity.

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The benefits of dynamic exercises before playing volleyball and how they will prepare your body for the match are:

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Taking into account the definition of density, the density of a sample if its mass is 44.2 g and its volume is 22.1cm³ is 2 g/cm³.

Density is the ratio of mass to volume of a substance. In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

The expression for the calculation of density is:

density= mass÷ volume

This means that density (ρ) is equal to mass (m) divided by volume (v) and it is possible to deduce that density is inversely proportional to volume: the smaller the volume occupied by a certain mass, the greater the density.

Density is one of the physical properties of matter that can be observed in its different states: solid, liquid, and gas.

In this case, you know that:

Replacing in the definition of density:

density= 44.2 g÷ 22.1 cm³

Solving:

density= 2 g/cm³

In summary, the density is 2 g/cm³.

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Answer:33Ns

Explanation:

According to the question the rotational kinetic energy of a 12-kg motorcycle wheel is 809.14 J

The SI unit for rotational kinetic energy is the joule (J). The rotating kinetic energy formula has a similar structure to a translational kinetic energy equation. Kinetic energy is created by spinning objects around an axis. This type of energy is influenced by the object's mass, weight, and center of mass angle with respect to the axis.

Given data -

Mass = 12-kg

Angular velocity (ω) -120rad/s

inner radius = 0.280 m

outer radius = 0.330 m.

By using the formula

I = ½*M (r1² + r2²)

I = ½ *(12) * (0.2802 + 0.3302)

I = 1.1238 Kgm2

K.E = ½*Iω2

K.E = ½ * (1.1238)*(120)2

K.E = 809.14 J

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In the past eight years, there has been a 3% annual drop in the prevalence of stunting among Indian tribal children under the age of five.

To determine the predictors of stunting and severe stunting among tribal children, as well as to suggest potential policy and program implications, cross-sectional data from 1000 children (287 tribal and 713 non-tribal) aged 0-23 months from Odisha's Rapid Survey of Children (RSOC, 2014) were analyzed. The findings indicate that birth order and maternal illiteracy are significant predictors of childhood stunting, and that maternal age at marriage and at birth was less than 18 years old and less than 20 years old, respectively, for severe stunting. Basic factors such as poverty and maternal ages of 20 years at the time of the first birth and 18 years at marriage were found to predict severe stunting in tribal children.

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The linear diameter of an object with an angular diameter of 25 arcseconds and a distance of 65 km will be 0.067 meters.

Linear Diameter = (Angular Diameter ×Distance) / 206264.81.

In this case, the linear diameter would be 0.067 meters.

To put this into context, a linear diameter of 0.067 meters is approximately equal to 6.7 centimeters, or 2.6 inches. To put this another way, it is approximately the size of a large grape. As such, it is incredibly small and would be difficult to see with the  eye.

Therefore the linear diameter of the object is 0.067 meters

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"A notch is a distortion in a voltage waveform where the voltage quickly drops toward zero and then returns to the correct value."

In general, the primary overcurrent device is not considered to safeguard transformer secondary wires. Transformers with two windings are all isolation transformers.

A voltage waveform distortion known as notching is brought on by intense current bursts of very short duration. These distortions generally show up graphically as a notch in the waveform's time domain representation.

When current commutates from one phase to another during normal operation of power electronic devices, a sort of periodic waveform distortion called voltage notching is created. The most significant instance of voltage notching occurs in three-phase converters. The transition of the current from one phase to another causes the notches.

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Answer:

Explanation:

1) Normal force is the upward force applied by the ramp (incline) on the suitcase as the reaction to the downward force of the Weight (Fg) of the suitcase

2)  sorry, can't supply a FBD.  Brainly doesn't have drawing tools available.

3)  Fg = mg = (32 kg)(9.8 m/s²) = 313.6 N

N= y-component of Fg = cos30(313.6 N) = 271.6 N

Ff = (coeff. friction)(N)

3) Ff = x-component of Fg = sin30(313.6) = 156.8 N

4) coeff. friction = Ff/N = 156.8N/271.6N = 0.58

Answer:

at warm fronts where two meet and interact

Explanation:

Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms

ps. I'm not very sure if it's correct

The mass of water displaced when the mass of bird bone in water and air is given, is calculated to be 43.4 g.

Given that,

Weight of bird bone in air = True weight = 47 g

Apparent weight of the bird bone when submerged = 3.6 g

The equation for apparent weight is known to be,

Apparent weight = True weight - Buoyant force

Making Buoyant force as subject, we have,

Buoyant force = 47 g - 3.6 g = 43.4 g

F b = mw × g = (m wat - m air)× g

mw = m wat - m air = 47 g - 3.6 g = 43.4 g

Thus, the mass of the water displaced is 43.4 g.

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The quantum numbers of the 2 states involved in the transition that emits these photons of energy 1.89 eV of hydrogen is n=3 to n=2

The hydrogen atom is the simplest atom in which an electron moves in the spherically symmetric Coulomb potential of the proton. The total energy of an atom in the center of the mass system can only have discrete values for the stationary states described by the quantum numbers.

Energy of the emitted photon, ΔE=1.89eV. The total energy of a hydrogen atom is given as, En=−13.6/n^2eV, Here, n is the principal quantum number.

An electron absorbs or emits radiation in the form of discrete energy, which equals the difference in energies of the final and initial state. Mathematically, ΔE=Ef−Ei. Here, Ef  is the energy of the final state and Ei  is the energy of the initial state.The difference in energy when an electron makes transition from n=3 to n=2. ΔE3→2= E3−E2=(−1.51eV)−(−3.4eV)= 1.89eV.

Since, ΔE=ΔE3→2. Therefore, the electron makes a transition from n=3 to n=2.

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In order to hit the target, the archer should aim the arrow so that it follows a parabolic trajectory.

The archer should aim the arrow slightly higher than the target, so that the arrow will arc downward and reach the target. Additionally, the archer should take into account other factors such as wind speed and direction, as these can affect the trajectory of the arrow.

The parabolic trajectory is a curve created when an object is thrown or shot in the air at an angle, then follows the path of a parabola. The parabolic trajectory allows for the object to travel in an arc and reach a certain distance, such as a target.

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The height will the ball rise when a 0.50-kilogram ball is thrown upward is 5.1 meters.

Given,

Mass = 0.5 kg

Kinetic energy = 25 joules

Potential energy = mgh = 25

                              = 0.5 × 9.8 × h = 25

                               = 5.1 meters

In general, the work done by a force on an object between two points does depend on the path taken by the object between the two points. For the special case of conservative forces, we have seen that the work does not depend on the path.

Therefore, we can define, for conservative forces, an associated potential energy that, for a given object, depends only on its location. In particular, when a conservative force acts on an object as it moves between two points, we define the define the change in potential  energy associated with that force as minus the work done by that force between those two  points.

kinetic energy of the ball was equal to the work done by the gravitational force. By our definition, the change in gravitational potential energy is equal to minus the work done by the gravitational force.

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The total horizontal force on the driver if the translational velocity around the same curve is 18 m/s is 215 N.

The word 'force' has a precise meaning. At this level, it is completely appropriate to describe a force as a push or a pull. A force is not something that an object contains or 'has in it'.

In  ∑F=m rv 2,

both m and r are unknown but remain constant.

Symbolically,

write ∑F slow​ =( r m​ )(14.0m/s) 2  

and ∑F fast​ =( r m​ )(18.0m/s) 2

Therefore, ∑F is proportional to v 2  and increases by a factor of ( 14.018.0​ ) 2  

as v increases from 14.0m/s to 18.0m/s.

The total force at the higher speed is then

∑F fast​ =( 14.018.0​ )

2 ∑F slow​ =( 14.018.0​ ) 2 (130N)

=215N

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The work or a task that I'd like to make easier by using a device or tool is sweeping the floor without bending down through the use of a vacuum cleaner.

This is referred to as a mechanical or electronic equipment which is made or adapted for a particular purpose and makes work easier and faster through technological advancement.

In the case of sweeping the floor without bending down, a vacuum cleaner is most appropriate as it uses an electric motor that spins a fan, thereby resulting in the sucking in of air and any small particles caught up in it thereby making it the correct device to be used.

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Option 1 is correct choice, The ball returns to Dr. Hewitt, stopping almost exactly at the point where it was released.

Potential energy becomes kinetic energy when a stationary item begins to move. When an item in motion stops moving, its kinetic energy transforms into potential energy.

Here, the energy input from the push is transforming into kinetic energy, which would be later transformed into even more potential energy than the ball had at the beginning of the motion.

The component of swinging is called kinetic energy, and it is the speed at which the ball runs back and forth. The most powerful aspect of swinging is potential energy. The ball achieves more potential energy the higher you go on the swing, so When it comes back to Dr. Hewitt, the ball stops almost exactly where it started.

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The increasing axon diameter increase the conduction velocity conduction in resistance capacitance because of the possibility of smooth movement of electrons in the capacitor and the smooth flow of charges in it that supports the electric current to flow in a smooth manner.

Capacitor is a body which is used to store the electricity in it and we can use it in the time when we need it in the circuit. also we can use the capacitor in the jumping the charge and electricity from the spark gap in the circuit to attain a good height and velocity as we needed it. by this information we can primarily consider that the increasing axon diameter increase the conduction velocity conduction in resistance capacitance because of the possibility of smooth movement of electrons in the capacitor and the smooth flow of charges in it that supports the electric current to flow in a smooth manner.

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As stated in the preceding statement When braking, an automobile experiences an average force of 5,145.8 N.

An object is considered to have been pushed if its velocity changes. Depending on whether an item is moving faster, slower, or in a new direction, its velocity may change. Examples of acceleration include a falling fruit, the moon orbiting the earth, and an automobile that has stopped at a stop sign.

v = v o + a t  ( the acceleration will be negative )

9.50 = 16.0 + a * 1.2

a * 1.2 = -16.0 + 9.50

a * 1.2 = - 6.5

a = - 6.5 : 1.2

a = - 5.4167 m/s²

F = m * a

950 kg * 5.4167 m/s²

F = 5,145.8 N ( the average force exerted on a car during braking )

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