Two particles of equal masses go round a circle of radius R under the action of their mutual gravitational attraction. What would be the speed of each particle? [UK PMT 2015]
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
GM2R
b
GMR
c
GM4R
d
2GMR
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
The gravitational force between the particles will give the required centripetal force.So, GM2(2R)2=Mv2R⇒GM24R2=Mv2R⇒v=GM4R