A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, The energy of explosion will be |
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A stationary body explodes into four identical fragments such that three of them fly off mutually perpendicular to each other, each with same KE, The energy of explosion will be |
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a) |
b) |
c) |
d) |

1 Answer - 5876 Votes

3537

Let the three mutually perpendicular directions be along and -axis, respectively. Where and By linear momentum conservation, or or Total energy |