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. When 10¹⁹elecrons are removed from a neutral metal plate through some process,
  2. If the kinetic energy of the particle is increased to 16 times its previous value
  3. SI unit of permittivity is
  4. A charged particle (charge q) is moving in a circle of radius R with uniform speed v
  5. For a cubic crystal structure which one of the following relations