Question

A 3 kg sphere makes an inelastic collision with another sphere at rest and they stick after the collision. If the composite mass moves with a speed of 1/4th of the initial speed of 3 kg sphere, the mass of second sphere is
1) 12 kg 2)9 kg 3) 6 kg 4) 3 kg​

Answer 1

Answer:

12 kg is the correct answer ok