A cuboidal car of height 3 m is slipping on a smooth inclined plane. A bolt released from the roof of car from centre of roof (p) then distance from centre of roof where bolt hits the floor with respect to car is

The box anyway has acceleration mgsintheta. The nail has acceleration mgsintheta along the plane and mgcostheta perpendicular to the plane. Since the car is like a vacant box, and the nail is inside the car, it will move along with it due to gsintheta, and also move downwards perpendicular to the box due to gcostheta. Hence, distance between centre of roof and the spot where it lands will be 3m oly
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