100 N * .02 m = 2 Joules = work done
so
(1/2)(0.010) v^2 = 2
v^2 = 400
v = 20 meters/second
A bullet of mass 10 g hits a target and penetrated 2 cm in to it if the average resistance offered by target is 100 N then the velocity with which the bullet hits the target is ?
4 answers
Right answer
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I did not understand