1.Ben elevation his 80 kg body up the 2 m stairwell in 1.8 s.Calculate Ben 'power rate.?

👨🏻‍🏫 學術台物理學

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2016-01-01 2:47 pm

回答 (1)

2016-01-01 4:27 pm

✔ 最佳答案

Power = work done / time
= mgh/t
=80 (kg) * 9.81 (m/s^2) * 2m /1.8 (s)
= 872 Watts

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