Questions
Two particles of equal mass go around a circle of radius R under the action of their mutual gravitational attraction. The speed v of each particle is
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a
12R1Gm
b
Gm2R
c
12GmR
d
4GmR
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Correct option is C
Gmm(2R)2=mv2R∴ v2=Gm4R or v=12GmRSimilar Questions
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