Question

In a circus stuntman rides a motorbike in a circular track of radius r in the vertical plane.the minimum speed at highest point of track will be

Answer 1

Answer:

let, velocity=V and the radius is R.

At highest point

mg+N=  

mV2/R

   

for V  min   ,N=0 ,v  min

​= $\sqrt{GN}$

Hope it helps :)

GN

​