A computer is reading data from a rotating CD-ROM. At a point that is 0.035 m from the center of the disc, the centripetal acceleration is 122 m/s2. What is the centripetal acceleration at a point that is 0.064 m from the center of the disc?

Answer 1

a1=ω²•R1
a2=ω²•R2
a1/a2= R1/R2
a2=a1•R2/R1