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Type: Open-Ended
Category: Energy and Momentum
Level: Grade 11
Tags: work, force
Author: kieke
Last Modified: 8 years ago

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Energy and Momentum Question

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Grade 11 Energy and Momentum

Two junior Olympians with the same height and arm length, Petrov and Levi, are in the weightlifting room. Petrov dead-lifts 200 lb 5 times in one minute; Levi dead-lifts 225 lb 3 times in 1 minute. The bar starts at a height of .21m and ends at a height of 0.83 m each time. Which Junior Olympian does more work?