Homework Help: Physics

Posted by Emily on Wednesday, October 6, 2010 at 12:38pm.

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?

No one has answered this question yet.

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 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 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...
physics - You are driving to the grocery store at 12.2 m/s. You are 193.0 m from...

For Further Reading

First Name:
School Subject:
Answer: