A body of mass M at rest explodes into three pieces, two of which of mass M/4 each are thrown off ….

Q: A body of mass M at rest explodes into three pieces, two of which of mass M/4 each are thrown off in perpendicular direction with velocities of 3 m/s and 4 m/s respectively. The third piece will be thrown off with a velocity of

(a) 1.5 m/s

(b) 2.0 m/s

(c) 2.5 m/s

(d) 3.0 m/s

Ans: (c)