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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

Two cars and are travelling in the same direction with velocities and (). When the car is at a distance behind car , the driver of car applies the brakes producing a uniform retardation , there will be no collision when

Answer: (C)

Solution

moves at constant ; relative to , car has initial closing speed and decelerates at . Maximum gap closed

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Question ID VK-152163