2. On his 10th birthday, Rendon's parents treated him with a carousel ride. If he is seating 350 cm away from the center and the carousel moves at a constant acceleration of 0.13 rad/s2, determine a) angular velocity of the carousel b) linear velocity of Rendon c) his tangential acceleration and d) his centripetal acceleration 15 seconds after the ride started.

An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.280 rev/s. The magnitude of the angular acceleration is 0.883 rev/s². Both the the angular velocity and angular accleration are directed counterclockwise. The electric ceiling fan blades form a circle of diameter 0.710 m Express your answer numerically in revolutions per second. ► View Available Hint(s) 0.452 rev/s Submit ✓ Correct Part B Previous Answers Through how many revolutions has the blade turned in the time interval 0.195 s from Part A? Express the number of revolutions numerically. ► View Available Hint(s) 7.14×10-2 rev Submit Previous Answers Correct

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Chapter 5 Problem 8: BIO Ultracentrifuge You are working in a biology lab and learning to use a new ultracentrifuge for blood tests. The specifications for the centrifuge say that a red blood cell rotating in the ultracentrifuge moves at and has a radial acceleration of 150,000 g’s (that is, 150,000 times ). The radius of the centrifuge is 0.15 m. You wonder if this claim is correct. Support your answer with a calculation.