A 34 kg bear slides, from rest, 11 m down a lodgepole pine tree, moving with a speed of 4.5 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) Number (b) Number (c) Number Units Units Units
A 34 kg bear slides, from rest, 11 m down a lodgepole pine tree, moving with a speed of 4.5 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) Number (b) Number (c) Number Units Units Units
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Transcribed Image Text:A 34 kg bear slides, from rest, 11 m down a lodgepole pine tree, moving with a speed of 4.5 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) Number
(b) Number
(c) Number
e Textbook and Media
Units
Units
Units
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