A 29 kg bear slides, from rest, 13 m down a lodgepole pine tree, moving with a speed of 7.0 m/s just before hitting the ground. (a) What change occurs in the gravitational potential energy of the bear-Earth system during the slide? (b) What is the kinetic energy of the bear just before hitting the ground? (c) What is the average frictional force that acts on the sliding bear?
A 29 kg bear slides, from rest, 13 m down a lodgepole pine tree, moving with a speed of 7.0 m/s just before hitting the ground. (a) What change occurs in the gravitational potential energy of the bear-Earth system during the slide? (b) What is the kinetic energy of the bear just before hitting the ground? (c) What is the average frictional force that acts on the sliding bear?
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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Transcribed Image Text:A 29 kg bear slides, from rest, 13 m down a lodgepole pine tree, moving with a speed of 7.0 m/s just before hitting the ground. (a) What
change occurs in the gravitational potential energy of the bear-Earth system during the slide? (b) What is the kinetic energy of the bear
just before hitting the ground? (c) What is the average frictional force that acts on the sliding bear?
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