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

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

a) |
cm |
b) |
m |
c) |
cm |
d) |
cm |

1 Answer

127 votes

**(a)**

Since there is no external force acting on the particle,

Hence

, hence

cm

127 votes

127