.006. 0/5 Submissions Used MY NO rad/s2 uge In a medical laboratory rotates at an angular speed of 3,400 rev/min. When switched off, it rotates through 48.0 revolutions before coming to rest. Find the constant angular acceleration (in rad/s") of the centrifuge. Help? Read It Watch It its] DETAILS PREVIOUS ANSWERS SERCP11 7.3.P.009. 1/5 Submissions Used MY NOTES rotor ameters of the main rotor and tail rotor of a single-engine helicopter are 7.67 m and 1.00 m, respectively. The respective rotational speeds are 446 rev/min and 4,120 rev/min. Calculate the speeds of the tips of both rotors m/s tor m/s are these speeds with the speed of sound, 343 m/s. n rotor sound rotor sound ed Help? Points] DETAILS SERCP11 7.3.P.016. 0/5 Submissions Used MY NOTES AS has been suggested that rotating cylinders about 19.5 mi long and 5.07 mi In diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal ac eration at its surface equals the free fal acceler rad/s Need Help? MY NOTES ASK YOU 5 Points] DETAILS PREVIOUS ANSWERS SERCP11 7.4.P.020. 2/5 Submissions Used Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuvers. A trained, fit person wearing a g-suit can withs erations up to about By (88.2 m/s") without losing conscious HINT