Intro to Conservation of Energy Video Lessons

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Problem: In one day, a 85 kg mountain climber ascends from the 1520 m level on a vertical cliff to the top at 2420 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m.(a) What is her change in gravitational potential energy on the first day?(b) What is her change in gravitational potential energy on the second day?

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In one day, a 85 kg mountain climber ascends from the 1520 m level on a vertical cliff to the top at 2420 m. The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m.
(a) What is her change in gravitational potential energy on the first day?
(b) What is her change in gravitational potential energy on the second day?

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