NEET 2002 Physics question

Physics Motion in a Straight Line NEET 2002

A particle (A) is dropped from a height and another particle (B) is projected in horizontal direction with speed of 5 m/s from the same height then correct statement is :

(1)Particle (A) will reach at ground first with respect to particle (B)
(2)Particle (B) will reach at ground first with respect to particle (A)
(3)Both particles will reach at ground simultaneouslyCorrect
(4)Both particles will reach at ground with same speed

Answer: (3)

Solution

The vertical motion of both particles is identical: initial vertical velocity is zero and the acceleration is . From height : , so for both A and B. The horizontal velocity of B does not affect the time of fall. So both reach the

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Question ID VK-088962