Physics · 2024
JEE Main · 6 April 2024, Shift 1 · Q33
To project a body of mass m from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is R_E, g= acceleration due…
To project a body of mass $\displaystyle m$ from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is $\displaystyle R_E, g=$ acceleration due to gravity on the surface of earth):
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle m g R_E$
More from Gravitation
- Given below are two statements: Statement I: A satellite is moving around earth in the orbit very close to the earth surface. The time period of…2026
- If a body of mass 1 kg falls on the earth from infinity, it attains velocity (v) and kinetic energy (k) on reaching the surface of earth. The values…2026
- Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: The angular speed of the moon in its…2024
- A 90 kg body placed at 2R distance from surface of earth experiences gravitational pull of: ( R= Radius of earth, g=10 m s^-2 )2024
- At what distance above and below the surface of the earth a body will have same weight. (take radius of earth as R.)2024
- A small point of mass m is placed at a distance 2 R from the centre ' O ' of a big uniform solid sphere of mass M and radius R. The gravitational…2025
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The kinetic energy needed to…2025
- Correct formula for height of a satellite from earths surface is:2024
JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.