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Type: Multiple-Choice
Category: Energy and Momentum
Level: Grade 12
Score: 1
Tags: power
Author: kieke
Last Modified: 8 years ago

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Energy and Momentum Question

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Grade 12 Energy and Momentum

A 55 kg person walks up a staircase, and a second 55 kg person runs up the staircase. Who develops more power and why?
  1. the person who walks up because he takes more time, using more energy
  2. the person who runs up because he takes less time
  3. same power for both because both cover the same distance with the same force
  4. not enough information to determine