The driver of a 1000kg car traveling on the interstate at 35.0 m/s slams on his brakes to avoid hitting a second vehicle in front of him, which had come to rest because of congestion ahead. After the brakes are applied, a constant friction force of 8000 N acts on the car. Ignore air resistance. (a) At what minimum distance should the brakes be applied to avoid a collision with the other vehicle? (b) (b) If the distance between the vehicles is initially only 30.0 m, at what speed would the collision occur? Ax

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The driver of a 1000kg car traveling on the interstate
at 35.0 m/s slams on his brakes to avoid hitting a
second vehicle in front of him, which had come to rest
because of congestion ahead. After the brakes are
applied, a constant friction force of 8000 N acts on
the car. Ignore air resistance.
(a) At what minimum distance should the brakes be
applied to avoid a collision with the other vehicle?
(b) (b) If the distance between the vehicles is initially
only 30.0 m, at what speed would the collision
occur?
AX
Transcribed Image Text:The driver of a 1000kg car traveling on the interstate at 35.0 m/s slams on his brakes to avoid hitting a second vehicle in front of him, which had come to rest because of congestion ahead. After the brakes are applied, a constant friction force of 8000 N acts on the car. Ignore air resistance. (a) At what minimum distance should the brakes be applied to avoid a collision with the other vehicle? (b) (b) If the distance between the vehicles is initially only 30.0 m, at what speed would the collision occur? AX
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