A ball of mass 0.5kg moving at 10ms−¹ collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity. By: Sunday|Published on: Sep 2|Categories: Physics WAEC| 0 comments A. 0.2ms−¹ B. 0.5ms−¹ C. 5.0ms−¹ D. 10.0ms−¹ E. 20.0ms−¹ Correct Answer: Option C – 5.0ms−¹ Users Also Read These:A ball of mass 5.0kg hits a smooth vertical wall…A football is kicked at an angle of 45° to the…A ball of mass 0.5kg moving at 10ms¯¹ collides with…A ball of mass 0.1kg is thrown vertically upwards…A body of mass 4.2kg moving with velocity 10ms−¹ due…SEE ALSO A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river. What is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]