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NEET 1991 (AIPMT) · Satellite Energy & Weightlessness

Satellite Energy & Weightlessness question from NEET 1991 (AIPMT)

Q38NEET 1991 · AIPMTEasy

Satellite Energy & Weightlessness

The satellite of mass $m$ is orbiting around the earth in a circular orbit with a velocity $v$ . What will be its total energy?

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Answer: (d)

In orbit $\frac{GMm}{r} = mv^2$ , so $U = -mv^2$ and $K = \frac{1}{2}mv^2$ .
$E = K + U = -\frac{1}{2}mv^2$ .
So the answer is (d).

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