What is the KE of a 0.5 kg puffin flying at 22 m/s?

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

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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 required speed of the centre of mass of the two-railcar system after the collision will be half as much as it was before the collision.

One of the railroads has zero motion prior to the collision. Following it, both railroads move at the same speed. By the conservation of the total momentum of the system, we have,

m vi = m vf + m vf

m vi = 2 m vf

vi = 2 vf

vf = 1/2 vi

vf is the velocity after collision

vi is the velocity before collision

Thus, the speed of the railroad together after the collision is calculated to be half of that before collision.

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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 length of the chord of the circle in cm will be equal to 7.07cm.

A chord can be defined as that line segment which joins any two points on the circumference of a circle. The chord of a particular circle is subtending a 90° angle at its center. The radius of the circle is OA = OB =5cm.  

To find the length of the chord AB, we use the Pythagorean Theorem

OA² + OB² = AB²

⇒ 5² + 5² = AB²

⇒ AB = √50 = 7.07 cm

The length of the chord AB is equal to 7.07cm.

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An element has 1st, 2nd, and 3rd ionization energies given in kJ mol-1. The element in question is likely a member of the group known as the transition metals. This is because the elements in this group generally have higher ionization energies than other elements

For example, the first ionization energy of a transition metal is typically between 400 and 600 kJ/mol, the second ionization energy is typically between 1200 and 1600 kJ/mol, and the third ionization energy is typically between 2500 and 2800 kJ/mol. This range of ionization energies is consistent with the values given in the question.  Transition metals are located in the middle of the periodic table, in between the s-block and the p-block elements.

They generally have higher melting points, densities, and boiling points than s-block elements and they display various oxidation states. All transition metals are metals, and they are usually the elements responsible for the color of compounds.  Transition metals are also known for their catalytic properties, and they are often used as catalysts in various industrial and chemical processes. Furthermore, many transition metals are essential for life, including iron, cobalt, and copper. In conclusion, the element in question is likely a member of the transition metals group in the periodic table.

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An element has 1st, 2nd and 3rd ionization energies given in kJ mol-1. This element is a member of which group in the periodic table?

The total linear momentum of the antelope and the tiger is 2650 Kg m/s.

The result of a system's mass x its velocity is its linear momentum. Linear momentum is denoted by the sign p = m v. The relationship between momentum and an object's mass and speed is straightforward.

Given -

mass of antelope = 55 Kg

mass of tiger = 140 Kg

speed of antelope = 10 m/s

speed of tiger = 15 m/s

from linear momentum formula

P = m × v

For antelope-

P = 55 × 10

P = 550 Kg m/s

For tiger-

P = m × v

P = 140 × 15

P = 2100 Kg m/s

Hence, total momentum is-

550 + 2100

2650 Kg m/s

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The similarities and differences between static stretching and dynamic stretching are the dynamic stretch is a style of stretching that is more strenuous and physically stimulating, while the static stretch is a form of stretching that is slower and more relaxing.

Another difference between static and dynamic stretching is that after a dynamic stretch, you may feel stronger and have more muscle endurance and speed, whereas static stretching before an exercise diminishes these same qualities; To get the most out of your workout, perform dynamic stretching before you begin, and static stretching afterward. Static and dynamic stretching have similar benefits in lowering the risk of injury by increasing flexibility, balance, and body awareness.

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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

A race car is moving at a constant speed around a track. The race car is changing its velocity as the direction of motion changes.

The primary indicator of an object's position and speed is its velocity. It is the distance that an object travels in one unit of time. The displacement of the item in one unit of time is the definition of velocity.

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

As the race car is moving at a constant speed around a track, the magnitude of velocity remains same but during race it may changes its direction of motion, that is why, velocity of it, which depends on both magnitude and direction, may changes.

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The Hertzsprung-Russell (H-R) Diagram is a graph that plots the luminosity (or absolute brightness) of stars against their surface temperature (or spectral type). It is used to classify stars based on their properties and understand their evolution.

The following statements are true based on the H-R diagram:

It's important to mention that the H-R diagram is a representation of the stars that are observed, and it's also based on the assumption that all stars are similar in their formation and evolution process.

The answer is general since no option is provided and similar question is nowhere to be found.

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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:33Ns

Explanation:

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 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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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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The Absolute pressure at the bottom of the container filled with water which has a thick layer of oil on the top will be 2735.21 Pa.

Information given as:

Height (h) = 31 cm = 0.31 m

Acceleration due to gravity (g) = [tex]9.8 m/s^{2}[/tex]

Specific gravity of oil = 0.900

So density of oil (ρ)= [tex]0.9X1000 = 900 kg/m^{3}[/tex]

We know that absolute pressure is given by the formula, here

So absolute pressure will be equal to [tex]P_{o} = 1.01 X 10^{5} Pa[/tex]

So absolute pressure of the oil will be 2735.21 Pa

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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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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 total power dissipated by the resistor is 150 V x 1.33 A = 199.5W.

Since the voltage of the battery is 150 volts, and the resistance of the resistor is 200ω, then the current through the resistor is equal to 150V/200ω = 1.33 A.

As a result, the resistor dissipates a total of 150 V x 1.33 A = 199.5 W of electricity.

Power in physics is the amount of energy that is transferred and converted in a given amount of time. The International System of Units uses the watt, or one joule per second, as the unit of power. In older texts, power is frequently referred to as activity. Power is a scalar quantity.

Other aspects have been linked to power; for example, the product of a ground vehicle's velocity, traction force on its wheels, and aerodynamic drag equals the power needed to propel the vehicle.

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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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The mass of the twig can be calculated using the law of conservation of momentum.

The Law of Conservation states that matter and energy cannot be created or destroyed, only changed from one form to another. This law is one of the most fundamental laws of physics, and it applies to all forms of energy, including heat, light, and electrical energy. This law helps explain why energy is always conserved, meaning that it can never be lost, only transferred or converted into another form. This law is also important in understanding the behavior of matter, as it explains why matter can never be completely destroyed, only rearranged or changed in form.

Momentum is equal to the mass times the velocity, so the total momentum of the twig and the snail before the snail starts moving is zero. After the snail starts moving, the momentum of the twig and the snail is equal to the snail's momentum, which is equal to 2.5 g x 1.2 cm/s = 3.0 g cm/s. Since the velocity of the twig is 0.4 cm/s, the mass of the twig must be equal to 3.0 g cm/s / 0.4 cm/s = 7.5 g.

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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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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 equation for Kinetic Energy is: KE = 1/2 mv2. Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object.

In physics, an object's kinetic energy is the energy it has as a result of its motion.  It is defined as the amount of work required to accelerate a body of a given mass from rest to a certain velocity.

The body retains its kinetic energy after gaining it during acceleration until its speed changes. The body does the same amount of work while slowing down from its current pace to rest. Formally, kinetic energy is any term in a system's Lagrangian that contains a time derivative.

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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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