1.

A frictionless wire AB is fixed on a sphere of radius R. A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is

A. \[\frac{2\sqrt{gR}}{g\cos \theta }\]
B. \[2\sqrt[{}]{gR,}\]\[\frac{\cos \theta }{2}\]
C. \[\sqrt[2]{\frac{R}{g}}\]
D. \[\frac{gR}{\sqrt{g\cos \theta }}\]
Answer» D. \[\frac{gR}{\sqrt{g\cos \theta }}\]


Discussion

No Comment Found

Related MCQs