New Year Problem !!
As a part of a new year celebration, John has been invited by his friends to play soccer. When he goes to the venue where he is invited, he has an urge to know how much force he exerts on the ball. If the ball weighs 5 kg and he has to move it from rest to a speed of 25 m/s in 2 seconds, How much force does he require?
The answer is 62.5.
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1 solution
Fxt=m(v-u)
Substituting values, F=5x25/2
=62.5N