Navigate

A coin of mass m and radius r having moment of inertia I about the axis passes

A coin of mass m and radius r having moment of inertia I about the axis passes through its centre and perpendicular to its plane. It is beaten uniformly to form a disc of radius 2r. What will be the moment of inertia about the same axis?

Options

(a) I
(b) 2I
(c) 4I
(d) 16I

Correct Answer:

4I

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

OR2006
admin:

Related Questions

  1. A metal bar of length L and area of cross-section A is clamped between two rigid
  2. A long straight wire carries a certain current and produces a magnetic field
  3. If the velocity of an electron increases, then its de Broglie wavelength will
  4. The kinetic energy of an electron in the first excited state is
  5. In a radioactive decay process, the negatively charged emitted β- particles are