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9 Feb 2012 12:12:26 IST

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gravitation

Physics

assuming that the moon describes a circular orbit of radius R about the earth in 27 days and that titan describes a circular orbit of radius of 3.2R about saturn in 16 days, compare the mass of saturn and the earth.

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nageen

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Joined: 27 Dec 2011

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9 Feb 2012 14:36:42 IST

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gravitation force is equal to centrifugal force

mrw²=GMm/r^{2...............(1)}

where w is the angular velocity

......................(2)

where t is time period

from (1) and (2) we see that

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