A person standing near the edge of the top of a building throws two balls A and B. The ball A is
thrown vertically downward and the ball B is thrown vertically upward with the same speed. The
ball A hits the ground with a speed vA and the ball B hits the ground with a speed vB . We have
.(A) vA > vB
(B) vA < vB
(C)vA = vB
(D) The relation between A and B depends on height of the building above the ground.
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Answer:
option c. Va=Vb
Explanation:
he ball 'A' thrown vertically upward will return back to the initial point with the same thrown speed but its direction will be downwards. This return speed is exactly the same as the speed of ball 'B'. So both of them will hit the ground with equal velocity.
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