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MODERN PUBLICATION-Unit Test - Gravitation-Example
- The escape Velocity from the earth is 11.2 Km/s^-1. The escape Velocit...
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- There is no atmosphere on the moon, because
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- A missile is launched with a velocity less than the escape velocity. T...
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- A satellite S is moving in an elliptical orbit around the earth. The m...
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- A satellite of the earth is revolving in a circular orbit with a unifo...
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- Two satellites of masses m1 and m2 (m1 gt m2) are revolving around ear...
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- If v be the orbital velocity of a satellite in a circular orbit close ...
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- A satellite is in an orbit around the earth. If its kinetic energy is ...
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- An 80 kg person is parachuting and is experiencing a downward accelera...
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- Assertion The stars twinkle, while the planets do not. Reason: The st...
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- Assertion: A planet is a heavenly body revolving round the sun. Reaso...
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- Assertion: The comets do not obey Kepler's laws of planetary motion R...
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- Assertion: The square of the period of revolution of a planet is propo...
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- Assertion: If the radius of the earth's orbit around the sun were twic...
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- Assertion: The earth is slowing down and as a result the moon is comin...
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- Assertion: The length of the day is slowly increasing Reason: The dom...
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- Assertion: The mass of the earth in terms of g, Rand G is given by M=g...
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- The change in the value of g at a height h h lt lt R above the surface...
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- Assertion: A tennis ball bounces higher on hills than in plains Reason...
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- Assertion: Average density of the earth depends on the value of g Rea...
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