On a one lane road, a person driving a car at v = 78 mi/h suddenly notices a truck 0.65 mi in front of him. That truck is moving in the same direction at v, = 41 mi/h. In order to avoid a collision, the person has to reduce the speed of his car to v, during time interval At. The smallest magnitude of acceleration required for the car to avoid a collision is a. During this problem, assume the direction of motion ofhe car is the positive direction. Refer to the figure. - O"
On a one lane road, a person driving a car at v = 78 mi/h suddenly notices a truck 0.65 mi in front of him. That truck is moving in the same direction at v, = 41 mi/h. In order to avoid a collision, the person has to reduce the speed of his car to v, during time interval At. The smallest magnitude of acceleration required for the car to avoid a collision is a. During this problem, assume the direction of motion ofhe car is the positive direction. Refer to the figure. - O"
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 82AP: A race car entering the curved part of the track at the Daytona 500 drops its speed from 85.0 m/s to...
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