zayeboyd5546 zayeboyd5546
  • 01-01-2018
  • Physics
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Yuri a russian weightlifter is able to lift 250 kg 2.00 m in 2.00 s. what is his power output

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samuraijack
samuraijack samuraijack
  • 01-01-2018
Given: Mass m = 250 Kg;    Height  h = 2.00 m;   Time t = 2.00 s    g = 9.8 m/s²

Required: Power output or P = ?   Work = Force x distance  W = F x d;  F =mg

Formula: P = W/t   P = Fd/t   P = mgh/t

               P = (250 Kg)(9.8 m/s²)(2.00 m)/ 2.00 s)

               P = 2, 450 Kg.m²/s³  or can also be written as

               P = 2,450 J/s or Watts
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