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1.7.4 Power

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Question 54

An athlete of mass 60 kg performs a pull-up on a bar. He raises his body vertically through a distance of 0.50 m in a time of 1.2 s.

Taking the acceleration of free fall g g\,g as 10 m/s2, what is the useful power developed by the athlete during this pull-up?

A

25 W25\text{ W}25 W

B

150 W150\text{ W}150 W

C

250 W250\text{ W}250 W

D

300 W300\text{ W}300 W

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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