Question

Ball A of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after impact would be

• A. Zero
• B. 5 m/s
• C. 10 m/s
• D. None of these

Answer 1

Answer:

C. 10 m/s