Impulse And Momentum Quiz Under Mr Tan
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This is just a short quiz that covers topics relating to impulse and momentum. Please answer these questions in real time and do not disconnect your pc from the internet while answering.
- 1.The momentum of a body is equal to its mass multiplied by its velocity.
- A.
True
- B.
False
- 2.A ball of mass 3kg is moving to the right with velocity 3m/s and a ball of mass 1kg is moving to the left with velocity 2m/s. we can use the principle of conservation of mass to determine the velocity of the other ball after the collision.
- A.
True
- B.
False
- 3.What is true about impulse and momentum
- A.
Impulse deals with velocity while momentum deals with change in velocity
- B.
Impulse is mass times velocity while momentum is force times time
- C.
Momentum is the mass of a substance multiplied by the velocity while impulse is just the change of momentum
- D.
Momentum and impulse are unrelated to each other
- 4.A 71.25 kilogram motorcycle is moving at a speed of 33.75 m/s. What is the momentum of the cycle?
- A.
Equal to 200 kg m/s
- B.
Greater than 200 kg m/s
- C.
Less than 200 kg m/s
- 5.A small car (mass = 71.25 kilograms), moving at 52.5 m/s, crashes head on with a 285 kilogram truck moving at 33.75 m/s in the opposite direction (negative velocity). If the two cars become intertwined and mangled (inelastic), with what velocity does the wreckage move? (Don't forget direction!)
- A.
A magnitude lesser than 30 m/s moving in the initial direction of the car
- B.
A magnitude lesser than 30m/s moving in the initial direction of the car
- C.
A magnitude lesser than 30 m/s moving in the initial direction of the truck
- D.
A magnitude greater than 30 m/s moving in the initial direction of the truck
- 6.Because of the principle of conservation of momentum, a rocket can get rid of its empty stages
- A.
To decrease velocity
- B.
To maintain velocity
- C.
To increase mass
- D.
To increase velocity
- 7.A 50 kg skateboarder is riding his 2.3 kg skateboard at a speed of 4 m/s.What is his momentum?
- A.
Greater than 200 kg m/s
- B.
In between 100 and 200 kg m/s
- C.
Less than 100 kg m/s
- 8.A 0.2 kg red cue ball rolling at 1.4 m/s elastically collides directly with a 0.2 kg 9-Ball at rest.Which of the following is true?
- A.
The 9-ball would have a velocity greater than 2 m/s
- B.
The 9-ball would have a velocity greater than 0.5 m/s but less than 2m/s
- C.
The red cue ball would have a velocity greater than 1.0 m/s
- D.
The red cue ball would have a velocity of 0 m/s
- E.
The two cue balls would stick together and have the same velocity
- 9.In a perfectly elastic collision, a ball dropped from a certain height would bounce
- A.
At a greater height
- B.
At the same height
- C.
At a lesser height
- D.
Would stick to the floor
- 10.In a perfectly inelastic collision, a ball dropped from a certain height would bounce
- A.
At a greater height
- B.
At the same height
- C.
At a lesser height
- D.
Would stick to the floor
Questions: 15 | Attempts: 7580 | Last updated: Sep 4, 2022
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Sample QuestionMomentum has
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Sample Question1. The mass 'm' of the object is moving with a straight line motion and another object is mass equal to the first object and it is moving along the same direction. after collision what is the speed of the both objects
Questions: 10 | Attempts: 1493 | Last updated: Mar 22, 2022
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Sample QuestionIf a mass is at rest, what must be applied to cause it to move?
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