A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 2.20 s, the cat’s velocity is (2.10 m/s) + (2.40 m/s) , measured on a horizontal xy coordinate system. At t2 = 6.00 s, its velocity is (-2.10 m/s) + (-2.40) . What are (a) the magnitude of the cat’s centripetal acceleration and (b) the magnitude of the cat’s average acceleration during the time interval t2 – t1, which is less than a period of the motion?
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