Rest of question 3 Ground for 0.00976 s , find the acceleration given to the tennis ball by the ground, Answer in m/s squared

020 (part 1 of 3) 10.0 points A tennis ball is dropped from 1. 15 m above the ground. It rebounds to a height of 0.948 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s. (Let down be negative.) Answer in units of m/s. 021 (part 2 of 3) 10.0 points With what velocity does it leave the ground? Answer in units of m/ s. 022 (part 3 of 3) 10.0 points If the tennis ball were in contact with the