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Sav [38]
4 years ago
11

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

ss?
Physics
1 answer:
kolezko [41]4 years ago
7 0
W.d = mgh

23520 = m × 9.81 × 30
23520 ÷ (9.81 × 30 ) = m
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