Carter pushes a bag full of basketball jerseys with a constant force of 21 newtons. if he pushes the bag 9 meters in 3 seconds,how much power does he use
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Work = (force) x (distance)
Work = (21 Newtons) x (9 meters) = 189 Joules
Power = (work done) / (time to do the work)
Power = (189 Joules) / (3 sec)
Power = (63 watts/sec)
Power = 63 watts (D)
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