Three rings each of mass P and radius R are arranged as shown in Figure. Then answer the following Suppose the whole arrangement comprising the three rings is turned through 120^(@) clockwise or anticlockwise about a vertical axis passing through the centroid of the triangle formed by joining the centres 1, 2 and 3 then moment of inertia of the system about YY' is

Three rings each of mass P and radius R are arranged as shown in Figur

1.	Three rings each of mass P and radius R are arranged as shown in Figure. Then answer the following Suppose the whole arrangement comprising the three rings is turned through 120^(@) clockwise or anticlockwise about a vertical axis passing through the centroid of the triangle formed by joining the centres 1, 2 and 3 then moment of inertia of the system about YY' is
Answer» `7/2"PR"^(2)` `(9)/(2)"PR"^(2)` `(11)/(2)"PR"^(2)` `(13)/(2)"PR"^(2)` ANSWER :A