A bullet of 50 gram strike with velocity 600m/sec. After collision its velocity is 150m/sec find the spent energy
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Mass of bullet m= 50 g
=0.05 kg
Spent energy= initial ke-final ke
=1/2m(600^2-150^2)
=1/2× 0.05×(360000-22500)
=8437.5J
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