Q. A ball is thrown vertically up (taken as $+z-axis$) from the ground. The correct momentum-height $(p-h)$ diagram is :
Solution:
Momentum p = mv .....(1)
and for motion under gravity h = $\frac{u^2 - v^2}{2g} .....(2)$
$h= \frac{u^2 - p^2/m^2}{2g}$
Option (1)