When a satellite going round the earth in a circular orbit of radius r and speed v looses some of its energy, then r and v change as

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r and v both with increase

r and v both will decrease

r will decrease and v will increase

r will decrease and v will decrease

answer is C.

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Detailed Solution

TE=−GMm2rIf T.E. decreases then r also decreases and v increases asv∝1rand TE∝-1r

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