AP EAPCET 2024 - 20th May Morning Shift | Gravitation Question 4 | Physics

The acceleration due to gravity at a height of 6400 km from the surface of the earth is $2.5 \mathrm{~ms}^{-2}$. The acceleration due to gravity at a height of 12800 km from the surface of the earth is (Radius of the earth= 6400 km )

$1.11 \mathrm{~ms}^{-2}$

$1.5 \mathrm{~ms}^{-2}$

$2.22 \mathrm{~ms}^{-2}$

$1.25 \mathrm{~ms}^{-2}$

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

Maximum height reached by a rocket fired with a speed equal to $50 \%$ of the escape speed from the surface of the earth is ( $R=$ Radius of the earth)

$\frac{R}{2}$

$\frac{16 R}{9}$

$\frac{R}{3}$

$\frac{R}{8}$

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

Two satellites of masses $m$ and 1.5 m are revolving around the earth with different speeds in two circular orbits of heights $R_E$ and $2 R_E$ respectively, where $R_F$ is the radius of the earth. The ratio of the minimum and maximum gravitational forces on the earth due to the two satellites is

$2: 5$

$2: 3$

$1: 2$

$1: 5$

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

-0

Statement (A) Two artificial satellites revolving in the same circular orbit have same period of revolution.

Statement (B) The orbital velocity is inversely proportional to the square root of radius of the orbit.

Statement (C) The escape velocity of the body is independent of the altitude of the point of projection.

A, B, C are true

A, B, C are false

A, C true B false

B, C true A false

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