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Question

Physics Question on projectile motion

From the top of a building a ball is dropped while another is thrown horizontally at the same time. Which ball will strike the ground first?

A

First

B

Second

C

Both the balls reach the ground simultaneously

D

None of the above

Answer

Both the balls reach the ground simultaneously

Explanation

Solution

Both the balls will reach the ground simultaneously as horizontal velocity does not affect the vertical motion.
i.e., t1=t2=(2h/g)t_{1}=t_{2}=\sqrt{(2 h / g)}