Posted by **Kaylee** on Wednesday, July 2, 2014 at 2:27pm.

A horizontal disk with a radius of 23 m ro- tates about a vertical axis through its center. The disk starts from rest and has a constant angular acceleration of 5.5 rad/s2.

At what time will the radial and tangen- tial components of the linear acceleration of a point on the rim of the disk be equal in magnitude?

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