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# A person sitting in an open car moving at constant velocity throws a ball vertically up into air. The ball falls

a) outside the car

b) In the car ahead of the person

c) In the car behind the person

d) In the car in the hand of the person

Answer: Exactly in the car in the hand of the person
Since the velocity is constant, the horizontal component of velocity for the car and the ball are the same.
Therefore, they cover equal horizontal distances in the same time interval.
Therefore the ball will land in the hands of the person in the car.

edited Aug 19, 2014