a ball of mass 0.5 kg moving at 10ms-¹ collides with another ball of equal mass at rest. if the two ball move off together after the impacts, calculate their common velocity

Question

Jakob Whitney

Physics

3 September, 13:59

a ball of mass 0.5 kg moving at 10ms-¹ collides with another ball of equal mass at rest. if the two ball move off together after the impacts, calculate their common velocity

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Answers (1)

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Cecelia Frost · Answer 1

5

Explanation:

Ball one before collision

0.5 kg * 10 m/s = 5 kg m/s

Both balls moving off together

5 kg m/s = (0.5 + 0.5kg) * x where x is the speed of the 2 of them together.

5 = 1 * x

x = 5 m/s