KINEMATICS

TWO CARS A AND B ARE TRAVELLING IN THE SAME DIRECTION WITH VELOCITIES V1 AND V2 ( V1 > V2 ) WHEN THE CAR A IS AT A DISTANCE AHEAD OF THE CAR CAR B . THE DRIVER OF THE CAR A APPLIED THE BREAKSPRODUCING A UNIFORM RETARDATIO A THEN THEIR WILL BE NO COLLISION WHEN ?

A: d < (V1 - V2)2 /2A

B: d < (V12 - V22) /2A

C: d > (V1 - V2)2 /2A

D: d > (V12 - V22) /2A

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