mal2857 mal2857

15-11-2019
Physics

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21. A power mower does 9.00 x 105J of work in 0.500 h. What power does it develop?

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Hania12 Hania12

15-11-2019

Answer:

500W

Explanation:

power (P) is defined as the rate at which work is done.

power is measured in Watts (W)

[tex]Power=\frac{work.done}{time.taken} \\ \\ =\frac{9*10^{5}J }{0.5*60*60s} \\ \\ =500 Js^{-1}=500W[/tex]

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