Posted by **Emily** on Wednesday, October 6, 2010 at 4:36pm.

You are driving to the grocery store at 14.8 m/s. You are 140.0 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.440 s and that your car brakes with constant acceleration. You are 133 m from the intersection when you begin to apply the brakes.

a) What acceleration will bring you to rest as you just reach the intersection?

b) How long does it take you to stop?

- Physics -
**bobpursley**, Wednesday, October 6, 2010 at 4:37pm
see other post.

## Answer this Question

## Related Questions

- Physics - You are driving to the grocery store at 14.8 m/s. You are 140.0 m from...
- Physics - You are driving to the grocery store at 14.8 m/s. You are 140.0 m ...
- Physics - You are driving to the grocery store at 14.8 m/s. You are 140.0 m from...
- physics - You are driving to the grocery store at 20 m/s. You are 110 m from an ...
- Physics - You are driving to the grocery store at 12.7 m/s. You are 108.0 m from...
- Physics - You are driving to the grocery store at 18.2 m/s. You are 120.0 m from...
- Physics - You are driving to the grocery store at 18.2 m/s. You are 120.0 m from...
- Physics - You are driving to the grocery store at 18.2 m/s. You are 120.0 m from...
- Physics - You are driving to the grocery store at 18.2 m/s. You are 120.0 m from...
- Physics - You are driving to the grocery store at 18.2 m/s. You are 120.0 m from...

More Related Questions