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

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 `30 m//s` each. What is the velocity of the heavier fragment?

`10sqrt(2)`

`6sqrt(2)`

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