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4 June, 01:42

A student weighing 120 lbs climbs a 12 ft flight of stairs in 9 seconds. how much power did the student create?

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  1. 4 June, 01:49
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    Power can be calculate through the equation,

    Power = Force x velocity

    It should be noted that velocity is calculated by dividing displacement by time. Thus, from the given in this item we can calculate for the power.

    Power = (120 lb) x (12 ft/9 s)

    Power = 160 lb. ft/s
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