Teaching EMRS PGT Mock Test 2023 Physics Motion in a Straight Line Average velocity and average speed
A rubber ball is released from a height of 5 m above the floor. It bounces back repeatedly, always rising to \(\frac{81}{100}\) of the height through which it falls. Find the average speed of the ball.
(Take g = 10 ms-2)
1
2.0 ms-1
2
2.50 ms-1
3
3.0 ms-1
4
3.50 ms-1