Answer to Question #63304 in Mechanics | Relativity for Kay

Question #63304
A Ford Focus of weight 9800 N is moving at 25.0 m/sec along a level road surface. The driver applies the brakes and it slows to 18.0 m/sec over a distance of 70.0 meters. How much work did the braking force do on the car? You may assume that friction and drag are negligible and that weight and normal force cancel out, making the braking force the net force on the car.
Select one:
a. -150,500 J
b. -2150 J
c. -162,000 J
d. -475,000 J
e. -312,500 J
1
Expert's answer
2016-11-17T12:33:14-0500
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/physics-answer-63304.pdf

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