Question

In a video game, a ball moving at 0.6 meter/second collides with a wall. After the collision, the velocity of the ball changed to -0.4 meter/second. The collision takes 0.2 seconds to occur. What’s the acceleration of the ball during the collision? Use .

A.
-1.0 m/s2
B.
1.0 m/s2
C.
-5.0 m/s2
D.
5.0 m/s2
E.
0.24 m/s2

Answer 1

C.

-5.0 m/s2

Hope this helps :D <3

-Maggie

Answer 2

`c) -5ms^(-2)`

Step-by-step explanation:

The resultant force is equal to the rate of change of momentum

Let mass =m

`[tex]momentum =mass*velocity\\\\Force =(momentum.difference)/(time)\\\\=(m(0.4-0.6))/(0.2) \\=-5m`

Applying F=ma

-5m = m*a

`acceleration=-5ms^(-2)`