1.

A disk of mass 12 kg and radius 2 m is rotating with uniform angular velocity about an axis passing through its centre normally. If a ring of mass 3 kg is gently placed on the disk about its centre symmetrically, the angular speed of the diskdecreases by 20%. What must be the radius of the ring?Select one:A. 3.14B. 4.56C. 1.414D. 1.23​

Answer»

?????????????????????



Discussion

No Comment Found

Related InterviewSolutions