kayla20066 kayla20066

13-12-2018
Physics

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how much work does a 30W engine do if it operates for 40 seconds

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Histrionicus Histrionicus

22-12-2018

Given that :

Power (P) = 30 W ,

time (t) = 40 s,

Work = ?

we know that, power is defined as rate of doing work

Power = Work ÷ time

=> Work = Power × time

= 30 × 40

W = 1200 J

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