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14-01-2021
Physics

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How much power must an engine have to lift a 10,000 kg safe at a constant velocity to a 26 m height in 5 seconds?

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14-01-2021

Answer:

520kw or 520, 000w

Explanation:

Given that power equsls workdone /time taken

P=mgh

____

t

M=10, 000kg

h=26m

T=5sec

g=10m/s²

Recall:

P=mgh/t

P=10,000×10×26/5

P=20,000×26

P=520,000w or 520kw

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