Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 8, Problem 7P
To determine
The reason why the given belief is wrong.
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A 205 kg object, initially at 12 m s-!, undergoes an impulse of 515 Ns in the opposite direction.
Calculate the final velocity of the object?
(a) If the impulse experienced during the collision is 200 Ns, use the information in the plot to calculate the peak force experienced during the collision.
(b) Calculate the average force experienced during the collision.
A billiard ball of mass 0.17 kg rolls toward the right-hand cushion of a billiard table at 2.1 m/s, then rebounds straight back at 1.8 m/s.
(a) What is the change in momentum of the ball as aresult of hitting the cushion?
(b) What impulse does the cushion give to the ball?
Chapter 8 Solutions
Physics for Scientists and Engineers
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- In an elastic collision of two particles with masses m1 and m2, the initial velocities are u1 and u2 = u1. If the initial kinetic energies of the two particles are equal, find the conditions on u1/u2 and m1/m2 such that m1 is at rest after the collision. Examine both cases for the sign of .arrow_forwardWhat external force is responsible for changing the momentum of a car moving along a horizontal road?arrow_forwardTo increase the acceleration of a rocket, should you throw rocks out of the front window of the rocket or out of the back window?arrow_forward
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- A pitcher claims he can throw a 0.145-kg baseball with asmuch momentum as a 3.00-g bullet moving with a speed of1.50 x 103 m/s. (a) What must the baseball’s speed be if thepitcher’s claim is valid? (b) Which has greater kinetic energy,the ball or the bullet?arrow_forwardWhat is the principle(s) of physics that cause a rocket to work?arrow_forwardA pitcher claims he can throw a 0.146-kg baseball with as much momentum as a 2.06-g bullet moving with a speed of 1.50 ✕ 103 m/s. (a) What must the baseball's speed be if the pitcher's claim is valid?arrow_forward
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Impulse Derivation and Demonstration; Author: Flipping Physics;https://www.youtube.com/watch?v=9rwkTnTOB0s;License: Standard YouTube License, CC-BY