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Standard XII
Physics
COM in Collision and Explosion
A particle of...
Question
A particle of mass
4
m which is at rest explodes into fragments.The fragment each of the mass M are found to move with speed V each in mutually perpendicular directions.The minimum energy released in the process of explosion is
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Solution
2
m
v
′
=
√
2
m
v
V
′
=
v
√
2
K
E
=
2
1
2
m
v
2
+
1
2
2
m
v
2
2
=
m
v
2
+
m
v
2
2
=
3
2
m
v
2
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