Tuesday, March 20, 2012

Surfing For Reaction Distance Driving?

Thomas asks…2.50, Distance Acceleration.. Physics test due in few hours Please Help?You are driving to the grocery store at 24m/s. You are 100m from an intersection when the traffic light turns red. Assume that your reaction time is 0.71seconds and that your car brakes with constant acceleration.

How far are you from the intersection when you begin to apply the brakes?

What acceleration will bring you to rest right at the intersection?

How long does it take you to stop?
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?Nancy

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