Question

A uniform disc of diameter r/2 is put over another uniform disc of radius r of same thickness and density. the peripheries of the two discs toch each other. the centre of mass of the system from centre of big disc is

a) r/10
b) r/20
c) 9r/10
d) 11r/10
please give step by step explaination​

Answer 1

Answer:

b is correct answer

Explanation:

hope its help u