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A 0.2 kg ball rotates at a constant speed of 3 m/s on the end of 1.2 m long string. The string describes a horizontal circle.8. What is the centripetal acceleration of the object?(A) 1.2 m/s2(B) 3.0 m/s2(C) 7.5 m/s2(D) 3.2 m/s2
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