A shell of mass m moving with velocity v suddenly breaks into two pieces. The part having mass m/4 remains stationary. The velocity of other part will be
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a
v
b
2v
c
3 v / 4
d
4 v/3
answer is D.
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Detailed Solution
Mass of first piece = m / 4 Mass of second piece = m -(m/4) =(3 m/4)Applying the law of conservation of momentummv=m1v1+m2v2 mV=m40+3m4V2 V2=(4v/3)