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IMPORTANT
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An artificial satellite of the earth is launched in circular orbit in the equatorial plane of the earth and the satellite is moving from west to east. With respect to a person on the equator, the satellite is completing one round trip in 24 h. Mass of the earth is M=6×1024 kg. For this situation, the orbital radius of the satellite is

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Important Questions on Gravitation

MEDIUM
JEE Advanced
IMPORTANT
A satellite is orbiting around the earth in a circular orbit of radius r. A particle of mass m is projected from the satellite in a forward direction with a velocity v=2/3 times the orbital velocity (this velocity is given w.r.t. earth). During subsequent motion of the particle, its minimum distance from the centre of earth is
EASY
JEE Advanced
IMPORTANT
Figure shows the kinetic energy Ek and potential energy Ep curves for a two-particle system. The point at which the system behaves as a bound system is:
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JEE Advanced
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Suppose universal gravitational constant starts to decrease, then:
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JEE Advanced
IMPORTANT
An astronaut, inside an earth satellite, experiences weightlessness because
HARD
JEE Advanced
IMPORTANT
Choose the incorrect statements from the following:
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JEE Advanced
IMPORTANT
A satellite is orbiting the earth. If it's distance from the earth is increased, then:
MEDIUM
JEE Advanced
IMPORTANT
Which of the following are correct?
MEDIUM
JEE Advanced
IMPORTANT
Which of the following are correct?