A car travelling along a straight road has kinetic energy of 180 kJ. The brakes are applied, and it is brought to rest over a distance of 60

Question

A car travelling along a straight road has kinetic energy of 180 kJ. The brakes are applied, and it is brought to rest over a distance of 60 m. What is the average force of the car breaks?
A. 3 N

B. 3000 N

C. 10,800 N

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Trung Dũng 6 months 2021-07-17T08:54:16+00:00 1 Answers 35 views 0

Answers ( )

    -1
    2021-07-17T08:56:04+00:00

    Answer:

    Given,

    w= 180J

    s=60m

    W=F×s

    180=F×60

    180/60=F

    F= 3 N

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