1. Tardigrade
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  4. <B>Assertion: </B> Two balls of different masses are thrown vertically upward with same speed. They will pass through their point of projection in the downward direction with the same speed. <B>Reason: </B> The maximum height and downward velocity attained at the point of projection are independent of the mass of the ball.

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Q. Assertion : Two balls of different masses are thrown vertically upward with same speed. They will pass through their point of projection in the downward direction with the same speed.
Reason : The maximum height and downward velocity attained at the point of projection are independent of the mass of the ball.

AIIMSAIIMS 2010Motion in a Plane

Solution:

$h = ut - (1/2)gt^2$ and $v^2 = u^2 - 2gh$ The above equations are independent of mass