A circular disc of radius R is removed from a bigger circular disc of radius 2R

A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences of the discs coincide. The centre of mass of the new disc is α/R from the centre of the bigger disc. The value of α is

Options

(a) -1/4
(b) -1/3
(c) -1/2
(d) -1/6

Correct Answer:

-1/3

Explanation:

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

admin:

Related Questions

  1. The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
  2. If alpha, beta and gamma rays carry same momentum, which has the longest
  3. A charge Q is uniformly distributed over a large plastic plate. The electric field
  4. The unit of thermal conductivity is
  5. The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage