A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is _______. (AIPMT 2014)
A. mv²
B. \(\frac { 3 }{ 2 }\)mv²
C. 2 mv²
D. 4 mv²
Answer:B
A body of mass 4 m is lying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each of mass m move perpendicular to each other with equal speed v. The total kinetic energy generated due to explosion is _______. (AIPMT 2014)
A. mv² B. \(\frac { 3 }{ 2 }\)mv² C. 2 mv² D. 4 mv²