Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is
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Masses of the two particles are $$m_1=m_2=m$$
And radius of the two particles are $$r_1=r_2=R$$
So ,The Gravitational force of attraction between the particles $$F=\dfrac{G\times{m}\times{m}}{R^2}--------(1)$$
Ans, centripital force $$F=\dfrac{m\times{v^2}}{R}------(2)$$
From given condition (1) and (2)
$$\dfrac{Gmm}{(2R)^2}=\dfrac{mv^2}{R}$$,
$$v=\dfrac{Gm}{4R}=\dfrac{1}{2}\sqrt{\dfrac{Gm}{R}}$$
So the speed of the each particle is $$v=\dfrac{1}
Answered by
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Answer:
=Mv^2/R considering the the The mass of each particle as M and the rotation speed V mutual force of gravitational attraction is equal to GM^2(2r) ^2
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