A 100-kg student runs up a 3-meter staircase in 1.5 seconds. Calculate the number of joules of work being done. *
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As we know work done is equal to the force exerted in given interval(displacement) but there is no force given in the question so force is a mass *acceleration and which can be written as distance divided by time square so work done can be calculated by mass into distance square divided by time square and putting the respective values from question we get 400joule work
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