In one day a 75 kg mountain climber ascends from the 1400 m, Ask an Expert

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In one day, a 75 kg mountain climber ascends from the 1400 m level on a vertical cliff to the top at 2380 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1350 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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