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MODERN PUBLICATION-Unit Test - Gravitation-Example
- A man waves his arms, while walking. This is
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- Two spheres of same size, one of mass 2 kg and another of mass 4 kg ar...
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- A particle is thrown vertically upwards with a velocity of 4 ms^-1. Th...
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- A body is thrown vertically upwards with a velocity of 19.6 ms^-1 The ...
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- A parachutist after bailing out falls 50 m without friction When parac...
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- Two planets of radii r1, and r2, are made from the same material. The ...
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- If mass of a body is M on the earth surface, then the mass of the same...
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- If the radius of earth shrinks by one percent and its mass remaining t...
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- At what depth below the surface of the earth, is the value of g same a...
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- A body weighed 250 N on the surface assuming the earth to be a sphere ...
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- If the earth were to cease rotating about its own axis, the increase i...
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- The angular velocity of rotation of a star (of mass M and radius R), a...
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- Knowing that mass of moon is M/81 (where M is the mass of earth), find...
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- Two masses M1 and M2 are initially at rest at infinite distance apart....
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- The velocity with which a projectile, must be tired so that it escapes...
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- The escape velocity of a particle of mass m varies directly as
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- The escape velocity for a body projected vertically upwards from the s...
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- The mass of moon is 1/81 of earth's mass and its radius 1/4 of that of...
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- 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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