Question

A body of mass 5 kg initially at rest explodes into 3 fragments with mass ratio 3 : 1 : 1. Two of fragments each of mass ‘m’ are found to move with a speed 60 m/s in mutually perpendicular directions. The velocity of third fragment is(a) 60√2 (b) 20√3(c) 10√2(d) 20√2

Answer 1

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