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Recent questions tagged telegram-47041

(chatquestion)...Consider a spherical gaseous cloud of mass density p(r) in free space wherer is the radial distance from its center. The gaseous cloud is made of particles of equal mass m moving in circular orbits about the common center with the same kinetic energy K. The force acting on the particles is their mutual gravitational force. If p(r) is constant in time, the particde number density n(r) = p(r)/m is [G is universal gravitational constant] 1. (2019) ЗК K (A) Tr'm?G (B) 2nr2m G K. (C) 6xr?m?G K (D) Tr'm?G

asked Jan 23, 2020 by balaji.thirumalai

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