A particle of mass 'm' is suspended from the ceiling through a string of length L. The particle moves in a horizontal circle of radius r. The speed of the particle is

A particle of mass 'm' is suspended from the ceiling through a string

1.	A particle of mass 'm' is suspended from the ceiling through a string of length L. The particle moves in a horizontal circle of radius r. The speed of the particle is
Answer» `(RG)/(SQRT(L^2 - r^2))` `(r sqrtg)/((L^2 - r^2)^(1/4))` `(r sqrtg)/((L^2 - r^2)^(1/2))` `(MGL)/((L^2 - r^2)^(1/2))` Answer :B