Caleb is driving at a speed of 21.0 m/s when he sees a deer on the road ahead. He applies the brakes when he is a distance of 180 m from the deer. If the deer does not move and the car stops right before it hits the deer, what is the acceleration provided by the brakes?

Caleb is driving at a speed of 21.0 m/s when he sees a deer on the road ahead. He applies the brakes when he is a distance of 180 m from the deer. If the deer does not move and the car stops right before it hits the deer, what is the acceleration provided by the brakes?

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem RM: KEY TERMS 1. physics (intro) 2. position (2.1) 3. motion 4. scalar (2.2) 5. vector 6. average speed...

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Question

Caleb is driving at a speed of 21.0 m/s when he sees a deer on the road ahead. He applies the brakes when he is a distance of 180. m from the deer. If the deer does not move and the car stops right before it hits
the deer, what is the acceleration provided by the brakes?

In this problem "+" is FORWARD and "-" is BACKWARD.
Caleb is driving at a speed of 21.0 m/s when he sees a deer on the road ahead. He applies the brakes when he is a distance of 180. m from the deer. If the deer does not move and the car stops right before it hits
the deer, what is the acceleration provided by the brakes?
4.0 -0.2 m/s^2
x (Hint: Don't forget units and direction!)

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