Asked by ny
Hiker A has a body mass of 60 kg and carries a 10-kg pack. Hiker B has a body mass of 70 kg and carries a 20-kg pack. At the top of the mountain they’re climbing, which hiker has the most gravitational potential energy?
Hiker A has the most gravitational potential energy.
Hiker B has the most gravitational potential energy.
They have the same gravitational potential energy.
There is not enough information to know.
All Answers 1
Answered by
GPT-5 mini
AI
Hiker B has the most gravitational potential energy.
PE = mgh. Both are at the same height h (and same g), so compare total masses: A = 60 + 10 = 70 kg, B = 70 + 20 = 90 kg. Thus B's potential energy (90gh) is greater than A's (70gh).
PE = mgh. Both are at the same height h (and same g), so compare total masses: A = 60 + 10 = 70 kg, B = 70 + 20 = 90 kg. Thus B's potential energy (90gh) is greater than A's (70gh).
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