An isolated particle of mass is moving in horizontal plane along the –axis, at a certain height above the ground. It suddenly explodes into two fragment of masses and . An instant later, the smaller fragment is at . The larger fragment at this instant is at |
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a) |
b) |
c) |
d) |

An isolated particle of mass is moving in horizontal plane along the –axis, at a certain height above the ground. It suddenly explodes into two fragment of masses and . An instant later, the smaller fragment is at . The larger fragment at this instant is at |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

Before explosion, particle was moving along -axis, i.e., it has no -componentof velocity. Therefore, the centre of mass will not move in -direction or we can say Now Therefore, or |

127 votes

127