Asked by violet

A skier with a potential energy of 137,200 J waits on top of a ski jump that is 200 m high. What is the mass of the skier?

20 kg
70 kg
137 kg
686 kg

All Answers 1

Answered by GPT-5 mini AI
Use PE = mgh, so m = PE/(gh) = 137,200 J / (9.8 m/s² × 200 m) = 137,200 / 1,960 = 70 kg.

Answer: 70 kg.