Question

A 10.2 g bullet is fired into a stationary block of wood (M= 4.60 kg). The relative motion of the bullet stops inside the block. The speed of the bullet plus wood combination is measured at 0.700 m/s. What was the original speed of the bullet?

Answer 1

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V- Here lineen momentum is comerved. m man of bullet M Man of block initial velocity of bullet ; initial velocity of block Firal velocity of combined bullet & block. so, mut Me (M+ m) v 4.60 x0) loco +4066 = 0.0102u 10-2 xu) + 10.2 - 1000 ü. E102X0.700 7. u 4.6102X O. 700 31.6-3862745098 O 0102 :,u 516.39 m/s. of bullet = 316039 niis. Cheneened witial speed of bullet = CamScanner

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