An astronaut is being tested in a centrifuge the centrifuge, Ask an Expert

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An astronaut is being tested in a centrifuge. The centrifuge has a radius of 8.76 m and, in starting, rotates according to Theta = 0.30 t 2. where t is in seconds and Theta is in radians. When t = 11.39 s, what is the magnitude of the astronaut's linear speed?

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