Question

I. Particle-1 is dropped from a tower and particle-2 is projected horizontal from the same tower, then both the particles reach the ground simultaneously.
II. Both the particles strike the ground with different speeds.
Which of the following statement{s) is/are correct?

Moderate

Solution

$t_{1} = t_{2} = \sqrt{\frac{2 h}{g}}$ t(where, h = height of tower)
$v_{1} = \sqrt{2 g h}$
while $v_{2} = \sqrt{v_{1}^{2} + v_{0}^{2}} (where, v_{0} = initial horizontal velocity)$
Therefore, both statements are correct.

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