A particle of mass \( 4 \mathrm{~m} \) which is at rest explodes into three fragments. Two of th...

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A particle of mass \( 4 \mathrm{~m} \) which is at rest explodes into three fragments. Two of the fragments each of mass \( m \) are found to move with a speed ' \( v \) ' each in mutually perpendicular directions. The total energy released in this process
[MP PET 2012]
(a) 0
(b) \( \frac{3}{2} m v^{2} \)
(c) \( \frac{1}{2} m v^{2} \)
(d) \( 2 m v^{2} \)
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