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PSEB-GRAVITION-Exercise
- A comet orbits the sun in a highly elliptical orbit. Does the comet ha...
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- A comet orbits the sun in a highly elliptical orbit. Does the comet ha...
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- Which of the following symptoms is likely to afflict an astronaut in s...
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- Which of the following symptoms is likely to afflict an astronaut in s...
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- Which of the following symptoms is likely to afflict an astronaut in s...
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- Which of the following symptoms is likely to afflict an astronaut in s...
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- A rocket is fired from the earth towards the sun. At what distance fro...
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- How will you ‘weigh the sun’, that is estimate its mass? The mean orbi...
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- A saturn year is 29.5 times the earth year. How far is the saturn from...
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- A body weighs 63 N on the surface of the earth. What is the gravitatio...
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- Assuming the earth to be a sphere of uniform mass density, how much wo...
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- A rocket is fired vertically with a speed of 5 km s^-1 from the earth’...
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- The escape speed of a projectile on the earth’s surface is 11.2 km s^-...
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- A satellite orbits the earth at a height of 400 km above the surface. ...
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- Two stars each of one solar mass (= 2xxl0^30 kg) are approaching each ...
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- Two heavy spheres each of mass 100 kg and radius 0.10 m are placed 1.0...
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- As you have learnt in the text, a geostationary satellite orbits the e...
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- A star 2.5 times the mass of the sun and collapsed to a size of 12 km ...
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- A spaceship is stationed on Mars. How much energy must be expended on ...
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- A rocket is fired ‘vertically’ from the surface of mars with a speed o...
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