mariammaloba mariammaloba
  • 10-05-2016
  • Mathematics
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If she lifts the bar 10 times in 20 seconds, how much power did she use?

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JordyJ
JordyJ JordyJ
  • 10-05-2016
200 joules.
Work = force * distance so you take 10 X 20 and get 200 joules.
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