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Q.

There are four identical artificial satellites orbiting around the Earth in four elliptical orbits having semi-major axis of equal length but different eccentricity, assuming earth is at rest. Pick the correct statement(s) regarding motion of satellite.

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a

The magnitude of maximum and minimum velocities of satellite in each orbit are equal

b

Total energy of satellites in each orbit are same and constant.

c

Angular momentum of satellites in each orbit are same and constant.

d

Time period of satellites in each orbit are same

answer is B, D.

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Detailed Solution

Maximum and minimum velocity depends on eccentricity of orbits
 T.E=GmMe2a
 dAdt=L2m

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