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A body of mass 1 kg initially at rest, e...

A body of mass `1 kg` initially at rest, explodes and breaks into three fragments of masses in the ratio `1 : 1 : 3`. The two pieces of equal mass fly off perpendicular to each other with a speed of `15 m s^(-1)` each. What is the velocity of the heavier fragment?

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The correct Answer is:
`5sqrt""2`
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