A railroad diesel engine weighs four times as much as a freight car. The diesel engine coasts at 7.0 km/h into a freight car that is initially at rest. Use conservation of momentum to find a speed at what the engine + car coast after they couple together. Show work and use correct units.

Q: Discuss how the conservation of momentum is a consequence of Newton’s third law.

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Q: Can something have energy without having momentum? Explain. Can something have momentum without…

A: It is possible for an object at height, h to possess a potential energy, while its momentum will be…

Q: What does momentum and impulse have to do with the importance of wearing a helmet/pads while playing…

A: Momentum:Momentum is the product of mass of an object and the velocity of an object. It remain…

Q: A body of mass 60 kg has the momentum 3000 kgm/s ¹1. Calculate: (i) the kinetic energy and (ii) the…

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Q: What is the momentum of a 1.5 N baseball which is dropped from the top of the 170-meter Washington…

A: Given data The magnitude of the force on the baseball is F = 1.5 N The height of the monument from…

Q: A pitcher claims he can throw a 0.140 kg with as much momentum as a 2.98-gbullet moving with a speed…

A: The momentum of the bullet is given by, Here, mb = 2.98 g = 2.98/1000 kg, vb = 1.50e3 = 1.50 x 103…

Q: Find the momentum (multiply) for a (20.0±0.6)kg object traveling at (15±0.6)m/s

A: Given value--- mass = (20.0±0.6)kg. speed = (15±0.6)m/s. We have to find--- momentum ?

Q: For questions 16– 20, write (HEP-HEP) if the situation shows the application of Impulse and Momentum…

A: When the object has some velocity then it will always have some momentum consequently if there is a…

Q: State the relation between acceleration and momentum.

A: Acceleration: Rate of change of velocity with respect to time. Momentum: Product of mass and…

Q: While standing still on a basketball court, you throw the ball to a teammate. Why do you not move…

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Q: How to use momentum conservation to solve problems in which two objects collide with each other, and…

A: The law of conservation of momentum: It states that the momentum of the system is conserved if…

Q: A 1.00 kg ball is tossed at 4 m/s. How many N.s of momentum does the ball have?

A: given , mass of the ball , m = 1 kg velocity of the ball , v = 4 m/s

Q: What is an example of a rapid change in momentum?

A: Collision is an example of rapind change in momentum.

Q: A 2.50-kg stone is dropped from rest at a height of 3.75 m. What impulse does gravity impart to this…

A: Impulse is the product of the force applied to a body and the amount of time applied. It is given by…

Q: Which of the collisions demonstrate momentum conservation? Pick all that apply.

A: Momentum conservation is defined as the total linear system of any body that is acted by some…

Q: What external force is responsible for changing the momentum of a car moving along a horizontal…

A: Given:             Need to find the external force responsible for changing the momentum of a car…

Q: If a sparrow weighs 18 grams and flies at a pace of 3.1 meters per second, how much momentum does it…

A: Answer: Given data, Mass of sparrow (m)=18 gm= 0.018 kg Speed of sparrow (v)=3.1 m/s

Q: impulse

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Q: A 2.5-kg stone is thrown downwards with an initial speed of 2.0 m/s. What is its momentum after 4…

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Q: When is momentum not conserved?

A: Momentum is possessed by the body when it has mass and some velocity. The momentum of the body has…

Q: Under what conditions is momentum conserved.

A: A closed system can be defined as the system one which the mass remains constant, and the net…

Q: We claim that momentum is conserved. Yet most movingobjects eventually slow down and stop. Explain.

A: Momentum is explained as the product of the mass of an object and its velocity. The law of…

Q: Write down the definition of momentum.

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Q: A 3,250 Kg pickup truck has a velocity of 50 m/s to the north. What is the momentum of the tuck?…

A: Given : Mass of a pickup truck (m) = 3,250 kg Velocity (v) = 50 m/s

Q: oes every moving body posses both kinetic energy and momentum? Explain.

A: Answer Kinetic energy is the energy possessed by an object due to its motion. Momentum of a body is…

Q: Define the momentum

A: The physical quantity that describes the motion of any object is known as momentum of an object. It…

Q: Object A has a mass m, object B has a mass 4m, and object Chas a mass m/4. Rank these objects in…

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Q: Explain, on the basis of conservation of momentum, how afish propels itself forward by swishing its…

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Q: According the impulse-momentum thoery, why does the person experience a greater force when landing…

A: According to Impulse-momentum theory,  'The change in momentum of an object is equal to Impulse.'…

Q: If two objects have equal kinetic energies, do they necessarily have same momentum? Defend your…

A: The formula for the kinetic energy is: Use the formula for the kinetic energy and write the…

Q: 5. A 2.0-kg stone is dropped from rest at a height of 3.75 m. What impulse does gravity impart to…

A: GivenMass of stone, m=2 kgStone is dropped from height, h=3.75 m

Q: Which undergoes the greatest change in momentum: (1) a baseball that is caught, (2) a baseball that…

A: A baseball that is caught and then thrown back undergoes the greatest change in momentum. Because…

Q: Nayeli is riding her electric scooter at a velocity of 6.7 m/s. The mas of Nayeli and her scooter is…

A: Mass = 58.9 kg  Velocity = 6.7 m/s We need to determine the mometum.

Q: When rain falls from the sky, what happens to its momentum as it hits the ground? What about its…

A: Introduction: According to Newton's second law of motion, force is defined as the rate of change of…

Q: If you have velocity, then your momentum and kinetic energy are the same. True or False

A: Momentum of an object is given by: Momentum = Mass*Velocity = M*V Kinetic energy of an object is…

Q: Is it possible for a 20kg child and a 70kg adult to have the same momentum?

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Q: - A runner of mass 60 kg initially moves at a speed of 9m/s. a) What is the impulse needed to impose…

A: Given data: Mass (m) = 60 kg Initial velocity (Vi) = 9 m/s Final velocity (Vf) = 0 m/s Force (F) =…

Q: the same as t

A: solution of above problem is below:

Q: What kind of collision takes place between the block and the sphere in the experiment of energy and…

A: Since , in the collision energy and momentum is conserved so it a elastic collision.