ch04-p063 - 63. Since the period of a uniform circular...

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63. Since the period of a uniform circular motion is 2/ Tr v π = , where r is the radius and v is the speed, the centripetal acceleration can be written as 2 22 2 12 4 . vr r a rr T T ππ §· == = ¨¸ ©¹ Based on this expression, we compare the (magnitudes) of the wallet and purse
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