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A bullet of mass 0.015 kg strikes a metal plate of thickness 10 cm with a velocity of 400 m/s and emerge

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A bullet of mass 0.015 kg strikes a metal plate of thickness 10 cm with a velocity of 400 m/s and emerge from it with a velocity of 260 m/s. Find the average resistance offered by the plate to the motion of bullet.

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Formula work done = 1/2 mu2 - 1/2 mv2

Substitution and obtaining w = 693 J 

W = FS 

F = 6930 N

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