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45 votes
45 votes
If an engine does 400 J of work in 10 s, how much power was generated?A. 40 WB. 400 WC. 4 WD. 4000 W

User Zach Gates
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1 Answer

19 votes
19 votes

Given:

The work is


W=400\text{ J}

The time is


t=10\text{ s}

To find:

The power generated

Step-by-step explanation:

The power is,


\begin{gathered} P=(W)/(t) \\ =(400)/(10) \\ =40\text{ W} \end{gathered}

Hence, the power is 40 W.

User Aurels
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