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. Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
  2. The horizontal and vertical components of earth’s magnetic field at a place
  3. If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
  4. A system consists of three masses m₁, m₂ and m₃ connected by a string passing
  5. A thin ring of radius R meter has charge q coulomb uniformly spread on it