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22 September, 14:20

If one horsepower is equal to 746 watts, how much horsepower does a highly trained athlete generate by doing 340 joules of work per second for an hourOne

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  1. 22 September, 14:35
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    746 joules per second = 746 watts = 1 horsepower

    340 joules per second = 340 watts = (340/746) = 0.456 horsepower

    Power is a RATE or a SPEED of doing work.

    How long you do it doesn't matter.

    Just like 30 miles per hour doesn't change whether you do it for an hour or for 10 minutes.
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