A bomb at rest explodes into three fragments of equal massses Two fragments fly off at right angles to each other with velocitie

A bomb at rest explodes into three fragments of equal massses Two fragments fly off at right angles to each other with velocities of `9m//s` and `12//s` Calculate the speed of the third fragment .
A. `9ms^(-1)`
B. `12ms^(-1)`
C. `15ms^(-1)`
D. `18ms^(-1)`

A bomb at rest explodes into three fragments of equal massses Two fragments fly off at right angles to each other with velocities of `9m//s` and `12//

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