AP EAPCET 2024 - 23th May Morning Shift | Gravitation Question 12 | Physics

The time period of revolution of a satellite close to planet's surfaces is 80 min . The time period of another satellite, which is at a height of 3 times the radius of the planet from surface is

64 min

640 min

320 min

240 min

AP EAPCET 2024 - 22th May Evening Shift

MCQ (Single Correct Answer)

-0

The gravitational potential energy of a body on the surface of the earth is $E$. If the body is taken from the surface of the earth to a height equal to $150 \%$ of the radius of the earth. Its gravitational potential energy is

$0.4 E$

$0.2 E$

$0.6 E$

$0.3 E$

AP EAPCET 2024 - 22th May Morning Shift

MCQ (Single Correct Answer)

-0

A satellite moving round the earth in a circular orbit has kinetic energy $E$. Then, the minimum amount of energy to be added so that it escapes from the earth.

$\frac{E}{4}$

$E$

$\frac{E}{2}$

$2 F$

AP EAPCET 2024 - 21th May Evening Shift

MCQ (Single Correct Answer)

-0

A particle is projected from the surface of the earth with a velocity equal to twice the escape velocity. When particle is very far from the earth. Its speed would be

$v_e$

$2 v_e$

$\sqrt{3} v_e$

$\sqrt{2} v_e$

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