A 10 kg block at rest on a smooth horizontal table explodes into two fragments of…
PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
A 10 kg block at rest on a smooth horizontal table explodes into two fragments of masses 4 kg and 6 kg. The 4 kg fragment moves along the table with a speed of 6 m s⁻¹. Determine the total kinetic energy of the two fragments just after the explosion.
(a) 72J
(b) 120J
(c) 84J
(d) 180J