12. A 100-gram beach ball is dropped from a height of 1.8 m. After it bounces off the floor, it rises to a height of only 0.8 m. X a) How fast was it going just before it hit the floor and how fast was it going just after it bounced? b) What was the total impulse of the floor on the ball? c) How much energy was lost in the bounce? d) If the ball was in contact with the floor for 0.05 s, what was the average force of the I floor on the ball?

12. A 100-gram beach ball is dropped from a height of 1.8 m. After it bounces off the floor, it rises to a height of only 0.8 m. X a) How fast was it going just before it hit the floor and how fast was it going just after it bounced? b) What was the total impulse of the floor on the ball? c) How much energy was lost in the bounce? d) If the ball was in contact with the floor for 0.05 s, what was the average force of the I floor on the ball?

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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Question

12. A 100-gram beach ball is dropped from a height of 1.8 m. After it bounces off the floor,
it rises to a height of only 0.8 m.
X
a) How fast was it going just before it hit the floor and how fast was it going just after it
bounced?
b) What was the total impulse of the floor on the ball?
c) How much energy was lost in the bounce?
d) If the ball was in contact with the floor for 0.05 s, what was the average force of the
I
floor on the ball?

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