A driver is driving a car with a velocity of 72km/h . Suddenly, a child runs across the road at a distance of 30m in front of his car and he brakes immediately. The driver's response time is 0.50s.Calculate the minimum deceleration of the car so that the child will not get knocked down.
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Minimum deceleration is -6. 6m/s
Yixian:
Can u pls show calculation?
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