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JEE PHYSICS MCQ: GRAVITATION

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A satellite is orbiting very close to surface of the earth. Its time period is approximately

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Correct option: D

84.6 minutes

Option D (84.6 minutes) is correct because it is the approximate orbital period of a satellite very close to the Earth's surface.

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The escape velocity for a body projected vertically upwards from the surface of the earth is

11.2\mathrm{\;\;km}{\mathrm{s}^{ - 1}}

. If the body is projected in a direction making an angle of

{45^0}

with the vertical, the escape velocity will be The escape velocity of a body projected from the surface of earth is

v_e

. If the body is projected at an angle

\theta

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