JEE Main Physics question

A body of mass 5 kg moving with a velocity 10 m/s collides with another body of mass 20 kg at rest, and comes to rest due to the collision. The velocity of the second body due to collision is

• (A)2.5 m/sCorrect
• (B)5 m/s
• (C)7.5 m/s
• (D)10 m/s