Dion0325 Dion0325

25-05-2021
Physics

contestada

Bulky is working at a UPS loading dock. He boasts he can lift a 154 kg box 4 meters in 30
seconds. What is his power rating?

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keijosalonen keijosalonen

25-05-2021

Answer: Power is 200 W

Explanation: Power P = work done / time used.

P = W/t = mgh/t = 154 kg · 9.81 m/s²· 4 m / 30 s = 201 W

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