Question

A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball tosses one tenth of its speed. Plot the speed-time graph of its motion between t = 0 to 12 s.​

Answer 1

Answer:

ans is 12 second

Explanation:

90x54x65

-64x64

120-12

ans is 12

Answer 2

Answer:

Total time taken by the ball to rebound for the second time:

Tt =8.15+3.86=12.01s

hope helps tnx