COMEDK 2024 Evening Shift | Gravitation Question 1 | Physics

A satellite is revolving around the earth in a circular orbit with kinetic energy of $$1.69 \times 10^{10} \mathrm{~J}$$. The additional kinetic energy required for just escaping into the outer space is

$$3.38 \times 10^{10} \mathrm{~J}$$

$$1.69 \times 10^{10} \mathrm{~J}$$

$$0.89 \times 10^{10} \mathrm{~J}$$

$$1.35 \times 10^{10} \mathrm{~J}$$

COMEDK 2024 Afternoon Shift

MCQ (Single Correct Answer)

-0

A planet has double the mass of the earth and double the radius. The gravitational potential at the surface of the Earth is $$\mathrm{V}$$ and the magnitude of the gravitational field strength is $$\mathrm{g}$$. The gravitational potential and gravitational field strength on the surface of the planet are

	Potential	Field
A	V	$$\frac{g}{4}$$
B	2V	$$\frac{g}{2}$$
C	V	$$\frac{g}{2}$$
D	2V	$$\frac{g}{4}$$

COMEDK 2024 Afternoon Shift

MCQ (Single Correct Answer)

-0

Energy required for moving a body of mass $$\mathrm{m}$$ from a circular orbit of radius 3R to a higher orbit of radius 4R around the earth is.

$$ \frac{\mathrm{GMm}}{\mathrm{R}} $$

$$ \frac{\mathrm{GMm}}{24 \mathrm{R}} $$

$$ \frac{\mathrm{GMm}}{4 \mathrm{R}} $$

$$ \frac{\mathrm{GMm}}{12 \mathrm{R}} $$

Questions Asked from MCQ (Single Correct Answer)

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