Momentum will be conserved in a two-body collision only if the kinetic energy of the system is conserved. only if the internal forces of the two body system cancel in action-reaction pairs. only if the net external force acting on the two-body system is zero. only if both bodies come to rest How does an air mattress protect a stunt person landing on the ground after a stunt?
Momentum will be conserved in a two-body collision only if the kinetic energy of the system is conserved. only if the internal forces of the two body system cancel in action-reaction pairs. only if the net external force acting on the two-body system is zero. only if both bodies come to rest How does an air mattress protect a stunt person landing on the ground after a stunt?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Momentum will be conserved in a two-body collision
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only if the kinetic energy of the system is conserved.
-
only if the internal forces of the two body system cancel in action-reaction pairs.
-
only if the net external force acting on the two-body system is zero.
-
only if both bodies come to rest
How does an air mattress protect a stunt person landing on the ground after a stunt?
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It reduces the momentum change of the stunt person
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It lengthens the stopping time of the stunt person and reduces the force applied during the landing.
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It shortens the stopping time of the stunt person and increases the force applied during the landing
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It reduces the kinetic energy loss of the stunt person
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