A bullet of mass 40 g moving with a speed of 90 ms" enters a heavy wooden block and is stopped after a distance of 60 cm. The average resistive force exerted by the block on the bullet is : (1) 180 N (2) 220 N (3) 270 N (4) 320 N
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A bullet of mass 40 g moving with a speed of 90 ms" enters a heavy wooden block and is stopped after a distance of 60 cm. The average resistive force exerted by the block on the bullet is : (1) 180 N (2) 220 N (3) 270 N (4) 320 N
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