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kendra02 kendra02
  • 05-12-2016
  • Physics
Answered

A window washer stands on a scaffolding 30 meters above the ground. If he did 23,520 joules of work to reach the scaffolding what is his mass

Verified Answer :

Anonymous Anonymous
  • 05-12-2016

Work done by gravity = 23,520 J = mgh. Therefore m= 23520/ 30 x 9.8 = 80 kg.

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