Question

A car of 800 kg is moving at an average speed of 5 m/s. The traffic light changed to red and so the driver stepped on the brakes to bring the car to a quick, sudden and screeching halt. fine the kE​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

kE = 10,000 J

Explanation:

Given : m= 800kg

            v = 5 m/s

Formula : kE =  1/2mv^2

                       1/2(800kg)(5m/s)^2

                       (400kg)(25m^2/s^2)

                 kE = 10,000 J