A body of mass at rest explodes into three pieces, two of which of mass each are thrown off in mutually perpendicular directions with speeds of 3 and 4 respectively. Then the third piece will be thrown off with a speed of |
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a) |
1.5 |
b) |
2 |
c) |
2.5 |
d) |
3.0 |

A body of mass at rest explodes into three pieces, two of which of mass each are thrown off in mutually perpendicular directions with speeds of 3 and 4 respectively. Then the third piece will be thrown off with a speed of |
||||||||

a) |
1.5 |
b) |
2 |
c) |
2.5 |
d) |
3.0 |

1 Answer

127 votes

As there is no external force, hence constant [since and are mutually perpendicular] |

127 votes

127