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MODERN PUBLICATION-Unit Test - Gravitation-Example
- At what height above the earth surface, the acceleration due to gravit...
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- Assume earth to be a sphere of a uniform density, What is the value of...
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- What will be the weight of a body at the centre of the earth?
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- If we move from equator to pole, the value of acceleration due to grav...
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- At what angular velocity would the earth have to rotate so that bodies...
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- If the spinning speed of the earth is increased, then weight of the bo...
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- The speed of earth's rotation about its axis is omega. Its speed is in...
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- If the gravitational force had varied as r^(-5//2) instead of r^(-2),t...
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- An artificial satellite is moving in a circular orbit around the earth...
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- A bomb explodes on the moon. How long will it take for the sound to re...
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- The distance of a geostationary satellite from the centre of earth (ra...
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- A satellite in a circular orbit of radius R has a period of 4 h. Anoth...
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- A satellite of mass m is moving in a circular orbit at a distance R ab...
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- For a satellite moving in an orbit around the earth, the ratio of kine...
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- The ratio of energy required to raise a satellite to a height h above ...
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- A satellite of mass m is circulating around the earth with constant an...
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- The time period of a simple pendulum in a satellite is
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- The weightlessness in a satellite is due to the centre of the earth is...
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- A marble A is dropped vertically. Another identical marble is projecte...
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- If the radius of earth shrinks by one percent and its mass remaining t...
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