Navigate

A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity

A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity at the highest point of the circle will be

Options

(a) √2Rg
(b) √3Rg
(c) √Rg
(d) 2Rg

Correct Answer:

√Rg

Explanation:

Frictional force = Centripetal force mg = mv² / R ⇒ v² = mgR / m ⇒ v² = Rg Therefore, minimum velocity v = √Rg

RA2001
admin:

Related Questions

  1. A carnot’s engine operates with source at 127° C and sink at 27°C
  2. when a magnetic field is applied on a stationary electron, then it
  3. A thin and circular disc of mass M and radius R is rotating in a horizontal plane
  4. A body starts from rest with an acceleration of 2 m/s². After 5 second,
  5. A short magnet of magnetic moment M, is placed on a straight line. The ratio