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Engineering and Tech / Engineering Mechanics: Dynamics 13 / Chapter 14 / Problem 14-11

Engineering Mechanics: Dynamics | 13th Edition | ISBN: 9780132911276 | Authors: Russell C. Hibbele

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14-11. The 2-Mg car has a velocity of = lOOkm/h when the

Chapter 14, Problem 14-11

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QUESTION:

14-11. The 2-Mg car has a velocity of = lOOkm/h when the driver secs an obstacle in front of the car. It takes 0.75 s for him to react and lock the brakes, causing the car to skid. If the car slops when it has traveled a distance of 175 m. determine the coefficient of kinetic friction between the tires and the road.

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QUESTION:

14-11. The 2-Mg car has a velocity of = lOOkm/h when the driver secs an obstacle in front of the car. It takes 0.75 s for him to react and lock the brakes, causing the car to skid. If the car slops when it has traveled a distance of 175 m. determine the coefficient of kinetic friction between the tires and the road.

ANSWER:

Problem 14-11

The 2-Mg car has a velocity of when the driver sees an obstacle in front of the car. It takes 0.75 s for him to react and lock the brakes, causing the car to skid. If the car stops when it has traveled a distance of 175 m, determine the coefficient of kinetic friction between the tires and the road.

Step-by-Step Solution

Step 1 of 5

Draw the free body diagram as below.

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