A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio `2:2: 1.` The fragments havi

A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio `2:2: 1.` The fragments having equal masses fly off along mutually perpendicular directions with speed v. What will be the speed of the third (lighter) fragment ?
A. v
B. `sqrt(2v)`
C. `2sqrt(2v)`
D. `3sqrt(2v)`

A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio `2:2: 1.` The fragments having equal masses fly of

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