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21-10-2020
Physics

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an object weighs 25 N. how much power is used to lift it 7.3 m in 4.8 s?

Respuesta :

31-10-2020

Answer:

P=38.0W

Explanation:

First find work done using

Ew=Fd

Ew=25×7.3

=182.5J

Then find power using

P=E/t

P=182.5/4.8

P=38.0W

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