Gravitation
Universal law of gravitation, acceleration due to gravity, gravitational potential energy, Kepler's laws, satellites and escape velocity.
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Take a full mock →Q1 · Gravitation · MEDIUM
At what height above the Earth's surface will the acceleration due to gravity be half its value on the surface? (R = radius of Earth)
Q2 · Gravitation · HARD
Two satellites A and B are orbiting the Earth at heights R and 3R respectively, where R is the radius of Earth. The ratio of their time periods (TA/TB) is:
Q3 · Gravitation · EASY
The acceleration due to gravity on the surface of the Earth is approximately:
Q4 · Gravitation · EASY
The orbital velocity of a satellite does not depend on: