When a 0.622 kg basketball hits the floor, its velocity changes from 4.23 m/s down to 3.85 m/s up. If the average force was 72.9 N, how much time was it in contact with the floor? (Unit = s)
Remember: up is +, down is -

are there answer choices to this question? this seems like a question where you have options to choose from.

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

their crystal patterns have been disrupted by stress