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# PHYSICS An automobile engine delivers 41.1 hp.How much time will it take for the engineto do 7.24 × 105J of work? One horsepower?

An automobile engine delivers 41.1 hp.

How much time will it take for the engine

to do 7.24 × 105

J of work? One horsepower

is equal to 746 watts.

Answer in units of s.

### 3 Answers

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- NCSLv 71 month ago
work = power * time

7.24*10^5 J = 41.1*746W * t

t = 23.6 s

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- Anonymous1 month ago
41.1 Hp * 746 W/Hp * 1 J/(sec W) * time = 7.24 * 10^5 J

Solve for the time.

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