Question

A ball falls freely from a height of 180m on to a hard
horizontal floor and repeatedly bounces. If the coefficient of
restitution is 0.5, the average speed and average velocity of
the ball before it ceases to rebound are respectively
(acceleration due to gravity = 10ms-')
1)10ms^-1 , 10ms^-1
2)20/3ms^-1 , 50/3ms^-1
3)50mx^-1 , 50/3ms^-1
4)50/3ms^-1 , 10ms^-1​

Answer 1

Answer:

4 is your answer boy I think becaybeci think u r in class 10th or 12th