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Type: Multiple-Choice
Category: Energy and Momentum
Level: Grade 9
Score: 1
Tags: work
Author: LBeth
Last Modified: a month ago

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Energy and Momentum Question

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Grade 9 Energy and Momentum

A weightlifter holds an 800-newton barbell over his head at a height of 6 meters. How much work does the weight lifter do on the barbell?
  1. 0 J
  2. 0 W
  3. 4,800 J
  4. 4,800 W
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