To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass isdropped onto the mat from a height of 1 m above the mat. During the impact, the cylinder’s vertical velocity reaches zero at the instant the mat has compressed to only 4 cm thick. a. How much kinetic energy does the cylinder have at the instant just before it contacts the mat? b. What average vertical force does the mat exert on the cylinder during the impact, from contact until the cylinder’s vertical velocity is zero?
To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass isdropped onto the mat from a height of 1 m above the mat. During the impact, the cylinder’s vertical velocity reaches zero at the instant the mat has compressed to only 4 cm thick. a. How much kinetic energy does the cylinder have at the instant just before it contacts the mat? b. What average vertical force does the mat exert on the cylinder during the impact, from contact until the cylinder’s vertical velocity is zero?
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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To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass isdropped onto the mat from a height of 1 m above the mat. During the impact, the cylinder’s vertical velocity reaches zero at the instant the mat has compressed to only 4 cm thick.
a. How much kinetic energy does the cylinder have at the instant just before it contacts the mat?
b. What average vertical force does the mat exert on the cylinder during the impact, from contact until the cylinder’s vertical velocity is zero?
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