# Physics - Mechanics - Rotational Motion

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An astronaut is being tested in a centrifuge. The centrifuge has a radius of 10 m and, in starting, rotates according to theta = (0.30 rad/s?t? where t is in seconds and theta is in radians. When t = 5.0 s, what are the magnitudes of the astronaut's

(a) rotational velocity,

(b) translational velocity,

(c) tangential acceleration,

(d) radial acceleration?

https://brainmass.com/physics/acceleration/physics-classical-mechanics-rotational-motion-216763

#### Solution Preview

R = 10 m. Theta = 0.30t^2

When t = 5 s, Theta = 0.30(5^2) = 7.5 rad.

(a)Rotational ...

#### Solution Summary

This solution provides a detailed step by step explanation of the given classical mechanics problem.

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