Question

A ball is projected vertically upwards from a building. The time taken to reach ground is T1. Another ball is projected downwards from the same building, with the same speed. The time taken to reach ground is T2. If a third ball is released from the same building, the time taken to reach the ground is

• A. $\sqrt{T_1T_2}$
• B. $\sqrt{T_1^2+T_2^2}$
• C. $\sqrt{T_1^2-T_2^2}$
• D. $2\sqrt{T_1T_2}$

Answer 1

Answer: (A)

$\sqrt{T_1T_2}$

Answer 2

The Correct answer is option is (A) : $\sqrt{T_1T_2}$