An 8kg soccer ball starts at rest and is kicked 31.5 meters until it reaches a final velocity of 21m/s in 3 seconds. Assuming that the soccer ball was kicked with a force of 56N (and ignoring any outside friction or air resistance forces), what is the power with which the soccer ball moved?

The power with which the soccer ball moved is 588 W .

Explanation:

Given :

Mass of soccer ball , m = 8 kg .

Distance moved , d = 31.5 m .

Final velocity , v = 21 m/s .

Time taken , t = 3 s .

Force applied , F = 56 N .

We know , power is given by :

     ......( 1 )

Now , work done is given by :

Now , putting value of P and t in equation 1 .

We get :

Therefore , this is the required solution .

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