QJEEM19Ph3cfa: JEE Main 2019 Physics - Class 11 JEEM19Ph3cfa Solution: A ball is thrown vertically up (taken as +z-axis) from the…

Question

Verified Solution • 2025–26 Session moderate

A ball is thrown vertically up (taken as +z-axis) from the ground. The correct momentum-height (p-h) diagram is :

A https://ik.imagekit.io/novatra/photos/2d7cc7a73dce9a40dc24e95493d7fca8062dbc79c256ae3240ad9df41485c553.webp
B https://ik.imagekit.io/novatra/photos/8a6f232a96ac508149bff65c28bf7866c9f49fba9f66310a43223dcc43035c73.webp
C https://ik.imagekit.io/novatra/photos/0b1c27ec7b98495cca49bd23d037df7612032dd020eb6bea3bd4705993eb4555.webp
D https://ik.imagekit.io/novatra/photos/acd23b60e5c53f47ac296d777e550fd7edc29a464294e7a970dce2b618dd5eba.webp

Accepted Answer

Momentum p = mv …(1)

and for motion under gravity

h = {{{u^2} - {v^2}} \over {2g}}

...(2)

h = {{{u^2} - {p^2}/m} \over {2g}}

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