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Mathematics, 26.02.2020 02:25 F00Dislife

The astronaut is not rotating. He has an orientation control system that can subject him to a constant angular acceleration of 0.1 rad/s2 about the vertical axis in either direction. Refer to problem 13.97. For safety, the control system will not allow his angular velocity to exceed 15◦ per second. If he wants to rotate 180◦ about the vertical axis (that is, rotate so that he is facing toward the left) and not be rotating in his new orientation, what is the minimum time in which he could achieve the new orientation?

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