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Lee S.

asked • 03/13/16

Physics Problems (2) : Work & Power

  • A weightlifter lifts a 50 kg barbell 2.5 meters into the air. How much work does she do on a barbell? How much potential energy does the barbell have at the top?
  • If she lifts the barbell in 2 seconds, how much power does she have?
 
Show all work for both.

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