Ram is driving a car with a speed of 36 km/hr. When he was 275 m distant from the railway crossing suddenly he saw the timer is showing 15 seconds remaining in closing and he accelerates
2
his car with 2 m/s , after 10 seconds he realized,
it is risky so he applied brakes. What should be the minimum deceleration of the car so that the car stopped just before the crossing?
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