A particle moves from A to B along a semicircular path $A C B$. The radius $A O=R$ The ratio of dist

Question

A particle moves from A to B along a semicircular path $A C B$. The radius $A O=R$ The ratio of distance travelled to displacement in this process is

Professor PC Thomas Classes · Answer

Distance travelled = $\pi R$. Displacement = $2R$. Ratio = $\frac{\pi R}{2R} = \frac{\pi}{2}$.