Projectile Motion: Solving another problem

The video tutorial explains how to determine the velocity needed for a second ball thrown at a 30-degree angle to reach the same height as a first ball thrown vertically. It involves analyzing the motion of the first ball, using motion equations, and calculating the necessary velocity for the second ball by ensuring the Y component of its velocity matches that of the first ball.

What is the velocity of the first ball when it reaches the hand after being thrown up?

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What must be the Y component of the velocity of the second ball to reach the same height as the first ball?

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Calculate the velocity at which the second ball must be thrown at an angle of 30 degrees to reach the same height as the first ball.

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