a man spends 6.4kj energy in displaying a body by 64m in the direction in which he applies force in 2.5s calculate the force applied and the power spent in hp by the man
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as amount of work done(w) = amount of energy spent (E)(assuming there is no loss of energy due to friction) . so, use the formula w=Fs and calculate the force (F) after u find F calculate the power using the formula P = w/T where T is the time taken
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