A circular disc of radius R and thickness R/6 has moment of inertia I about an axis

A circular disc of radius R and thickness R/6 has moment of inertia I about an axis passing through its centre and perpendicular to tis plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is

Options

(a) I
(b) 2I/5
(c) I/5
(d) I/10

Correct Answer:

I/5

Explanation:

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

admin:

Related Questions

  1. The primary and secondary coil of the transformer have 50 and 1500 turns respectively
  2. The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
  3. A bottle full of water in a space ship at 30⁰C is carried on the moon.
  4. A magnet of length 10 cm and magnetic moment 1 A-m² is placed
  5. A transformer having efficiency of 90% is working on 200 V and 3kW power supply