Discussion Forum : Physics
Question -

Centre of mass of a semicircular plate of radius  R , the density of which linearly varies with distance , d at centre to a value 2d at circumference is

Options:
A .  3R/`pi` from certre
B .  4R/2`pi` from certre
C .  5R/`pi` from certre
D .  7R/5`pi` from certre
Answer: Option D


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