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The maximum kinetic energy of a planet moving around the sun is at position _____.

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Important Questions on Mechanics

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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 50
A ball is dropped from a satellite around the earth at height of 120 km. The ball will:
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 51
Two satellites of earth, S1 and S2 are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statement is true?
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 52
If suddenly the gravitational force of attraction between the earth and the satellite revolving around it becomes zero, then the satellite will _____.
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 53
Which one of the following statements regarding the artificial satellite of the earth is incorrect?
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 54
Kepler's second law (law of area) is nothing but a statement of _____.
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 55
A person sitting on a chair in a satellite feels weightless because _____.
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General Science for Competitive Exams>Chapter 1 - Mechanics>EXERCISE>Q 56
A hole is drilled through the earth along the diameter and the stone is dropped into it. When the stone is at the centre of the earth, it possesses _____.