A bullet moving at 250 m/s penetrates 5cm into a tree limb before coming to rest . Assuming that the force exerted by the limb is uniform, find its magnitude. Mass of the bullet is 10g? Answer this fast and clearly. Thank you.
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The average force exerted on the bullet is. ... Mass= 10g= 0.01kg u= 200m/s v= 0m/s s= 5cm= 0.05m v^2= u^2+2as 0= 40000+2×a×0.05 a= -400000m/s^2 F= ma = ...
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