Jee Main
Motion In A Straight Line
JEE Main 2023 (Online) 29th January Morning Shift
INTEGER+4 / -12023
A tennis ball is dropped on to the floor from a height of 9.8 m. It rebounds to a height 5.0 m. Ball comes in contact with the floor for 0.2s. The average acceleration during contact is ___________ ms\(^{-2}\).
(Given g = 10 ms\(^{-2}\))