The problem that follow involve straight-line motion. The time t is in seconds unless otherwise stated.
Problem
Suppose that when the centrifuge in Example 13.12 is turned on. its motor and control system give it an angular acceleration (in rad/s2) α = 12– 0.02ω. where ω is the centrifuge’s angular velocity. Determine the tangential and normal components of the acceleration of the samples at t = 0.2 s.
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