a. Suppose you are driving at speed v 0 when a sudden obstacle in the road forces
Question:
a. Suppose you are driving at speed v0 when a sudden obstacle in the road forces you to make a quick stop. If your reaction time before applying the brakes is tR, what constant deceleration (absolute value of ax) do you need to stop in distance d? Assume that d is larger than the car travels during your reaction time.
b. Suppose you are driving at 21 m/s when you suddenly see an obstacle 50 m ahead. If your reaction time is 0.50 s and if your car’s maximum deceleration is 6.0 m/s2, can you stop in time to avoid a collision?
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Model Model the car as a particle Use the kinematic equations Visualize Solve a In ...View the full answer
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Related Book For 
Physics For Scientists And Engineers A Strategic Approach With Modern Physics
ISBN: 9780321740908
3rd Edition
Authors: Randall D. Knight
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