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21 June, 00:03

A man exerts 3000.00N of force to push a car 35.00 meters in 90.00 seconds ... 1. what is the work done 2. what is the power generated

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  1. 21 June, 00:14
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    1). Work = (force) x (distance)

    Work = (3,000 newtons) x (35 meters) = 105,000 newton-meters = 105,000 joules

    2). Power = (work) / (time)

    Power = (105,000 joules) / (90 seconds)

    = 1,166-2/3 joules per second = 1,166 and 2/3 watts.

    Note:

    That's no ordinary man.

    1,166 watts is the same as roughly 1.6 horsepower.

    Not too many people can sustain 1 horsepower or more for 90 seconds.
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