ap-physc-m_momentum-multiple-choice_2015-11-28 - Momentum...

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Chapter 2 / Exercise 98
College Algebra
Gustafson/Hughes
Expert Verified
Momentum Practice Problems PSI AP Physics C Name________________________________Multiple Choice 1. A steel ball and a piece of clay have equal mass. They are dropped from the same height on a horizontal steel platform. The ball bounces back with nearly the same speed with which it hit. The clay sticks to the platform. Which object experiences the greater momentum change? (A) the ball (B) the clay (C) Both experience the same momentum change (D) there is no momentum change for either (E) more information is required
2. A car of mass m is moving with a momentum p. How would you represent its kinetic energy in terms of these two quantities?
3. A bowling ball moving with speed v collides head-on with a stationary tennis ball. The collision is elastic, and there is no friction. The bowling ball barely slows down. What is the speed of the tennis ball after the collision?
4. An object with a mass of 2 kg is accelerated from rest. The graph shows the magnitude of the net force as a function of time. At t = 4 s, the object’s velocity would have been closest to which of the following?
5. A 3 kg ball is dropped onto a concrete floor. What is the magnitude of the ball’s change in momentum if its speed just before striking the floor is 7 m/s and its rebound speed is 3 m/s? (A) 10 kg m/s (B) 15 kg m/s (C) 30 kg m/s (D) 50 kg m/s (E) 70 kg m/s
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
College Algebra
The document you are viewing contains questions related to this textbook.
Chapter 2 / Exercise 98
College Algebra
Gustafson/Hughes
Expert Verified
Questions 6 - 8 6. Two blocks are on a frictionless surface and have the same mass m. Block 2 is initially at rest. Block 1 moves to the left with speed 4v. Block 1 collides inelastically with block 2. Which of the following choices is closest to the final speed of the system of two blocks?
(E) 5v 7. Two blocks are on a frictionless surface and have the same mass m. Block 2 is initially at rest. Block 1 moves to the left with speed 4v. Block 1 collides elastically with block 2. What is the final speed of block 1?
4v 8. Two blocks are on a frictionless surface and have the same mass m. Block 2 is initially at rest. Block 1 moves to the left with speed 4v. Block 1 collides elastically with block 2. What is the final speed of block 2?
(E) 6v Questions 9-10 9. A hockey stick hitting a 0.5 kg puck is in contact with the puck for a time of 0.05 s. The puck travels in a straight line as it approaches and then leaves the hockey stick. If the puck arrives at the stick with a velocity of 6.4 m/s and leaves with a velocity of -3.6 m/s, what is the magnitude of the change in momentum of the puck? (A) 2 kg·m/s(B) 3 kg·m/s(C) 5 kg·m/s(D) 6 kg·m/s(E) 10 kg·m/s

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