A bullet traveling at 200 m/s strikes a soft wood and penetrates 4.5 cm through it before coming to rest. calculate the bullet's average retardation
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Hi friend here is your answer.
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We know , v^2=u^2-2as here v=0 m/s
So, u^2=2as
Now, 200^2=2×a×4.5×10^-2
a=(400/2)×0.045
a=9 m/s^2 , retardation. ans.
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###################
We know , v^2=u^2-2as here v=0 m/s
So, u^2=2as
Now, 200^2=2×a×4.5×10^-2
a=(400/2)×0.045
a=9 m/s^2 , retardation. ans.
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