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a. Which force provides required centripetal force for a satellite to revolve around the earth?

b . Derive an expression for variation of acceleration due to gravity with depth from the surface of earth. [3]

c. Sketch a graph showing the variation of acceleration due to gravity inside and outside of earth. .[1]

d. An artificial satellite revolves round the earth in 2.5 hours in a circular orbit. Find the height of the satellite above the earth assuming earth as a sphere of radius
6370 km.
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yogesh780

jejdnekanaoansisndkWhich force provides required centripetal force for a satellite to revolve around the earth?

b . Derive an expression for variation of acceleration due to gravity with depth from the surface of earth. [3]

c. Sketch a graph showing the variation of acceleration due to gravity inside and outside of earth. .[1]

d. An artificial satellite revolves round the earth in 2.5 hours in a circular orbit. Find the height of the satellite

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