Physic

A bullet of mass 0.05kg has a speed of 400cm|s. What is its kinectic energy? It hits a wall of which the average resistive force is 1000N, Cal.the distance penestrated by the bullet

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  1. KE=1/2 m v^2= 1/2 .05*4^2 Joules

    distance=KE/force

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    bobpursley

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