Questions
The distance between the sun and the earth is r and the earth takes time t to make one complete revolution around the sun. Assuming the orbit of the earth around the sun to be circular, the mass of the sun will be proportional to
detailed solution
Correct option is C
we know that GmMr2=mv2r ∴M=v2r/GFurther, V=(2πr/T)∴ M=4π2r3T2G or M∝r3T2Talk to our academic expert!
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Two particles each of mass m are placed at points A and C such that AB =BC =L as shown in fig.
The gravitational force on a third particle placed at D at a distance I metre on the perpendicular bisector of the line AC, is
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