A boy of mass 50kg is standing on a frictionless surface. He throws a ball of mass 2kg away from him with a speed of 10m/s. Find the final speed of the centre of mass.
A. 0m/s
B. 20m/s
C. 10m/s
D. 0.4m/s
Answer:A
A boy of mass 50kg is standing on a frictionless surface. He throws a ball of mass 2kg away from him with a speed of 10m/s. Find the final speed of the centre of mass.
A. 0m/s B. 20m/s C. 10m/s D. 0.4m/s