Question

Gymnasts often practice on foam floors, which increase the collision time when a gymnast falls. What effect does this have on collisions?

The change in momentum needed to stop the gymnast is increased.
The change in momentum needed to stop the gymnast is decreased.
The force exerted by the floor on the gymnast decreases.
The force exerted by the floor on the gymnast increases.

Answer 1

I think that the answer is (D)... I hope this helped

Answer 2

The answer in b

Step-by-step explanation:

Because if she falls the momentum pushes him/her.

I hope this helped! :)