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Grade: 12th pass
        
A particle originally at rest at the highest point of a smooth vertical circle is slightly displaced. It will leave the circle at a vertical distance h below the highest point such that
(a)h=R (b)h=R/3 (c)h=R/2 (d)h=2R/3
(R is the radius of the circle it is moving in)
9 months ago

Answers : (3)

Arun
21449 Points
							
Dear Anant
 
I am getting my answer as h = R/3
 
Please let me know is thisis correct then I will share my solution
9 months ago
Anant Kumar Thakur
23 Points
							
yeah thats the answer please share the solution...................................................................
9 months ago
Khimraj
2894 Points
							
let angle made by particle with verticl line is \Theta
when centrifugal force (mv2/r) become greater than or equal tocomponent of mg along center (mgcos\Theta)
mv2/R >= mgcos\Theta
m(2gh)/r = mg(R-h)/R
2h = R-h
so h = R/3
Hope it clears......................
9 months ago
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