Consult Multiple-Concept Example 10 in preparation for this problem. Traveling a

Question

Consult Multiple-Concept Example 10 in preparation for this problem. Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.720. What is the speed of the automobile after 1.30s have elapsed? Ignore the effects of air resistance. Consult Multiple-Concept Example 10 in preparation for this problem. Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.720. What is the speed of the automobile after 1.30s have elapsed? Ignore the effects of air resistance.

Explanation / Answer

Ff = - 0.720 . m . g
So, acceleration = - 0.720 x 9.8 m/s^2

v= u + at
= 16.1 - 0.72 x 9.8 x 1.3
= 6.93 m/s

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