Physics
posted by Alex .
A computer is reading data from a rotating CDROM. At a point that is 0.0368 m from the center of the disk, the centripetal acceleration is 274 m/s2. What is the centripetal acceleration at a point that is 0.0781 m from the center of the disc?

The centripetal acceleration is proportional to the distance from the center, since the angular velocity w is the same everywhere on the disc. .
(0.0781/0.0368) x 274 = _____ m/s^2
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