A body of mass 1000 kg is moving horizontally with a velocity 50 m/s. A mass of 250 kg is added. Find the final velocity

Q: A body of mass 1000 kg is moving horizontally with a velocity 50 m/s. A mass of 250 kg is added. Find the final velocity

(a) 40 m/s

(b) 20 m/s

(c) 30√2 m/s

(d) 50 m/s

Ans: (a)