Relationship between physical health and social class
Based on the author's account of the relationship between physical health and social class, which of the following statements would be most accurate?
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A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of magnitude 4.23 rad/s2. (a) How much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
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The disk has a mass of 200 kg and a radius of 2.0 m. A 42- kg child rides at the center of the merry-go-round while a playmate sets it turning at 0.10rpm. How fast will the disk be turning (in rpm)?
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