A very hard rubber ball (m=0.8 kg) is falling vertically at 8 m/s just before it bounces on the floor. The ball rebounds back at essentially the same speed. If the collision with the floor last 0.05 s, what is the average force exerted by the floor on the ball?

b

explanation:

bc its just b

are their multiple choices ?

explanation:

u can delete ur account.

1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

: )