1. A child swings a 0.450 [kg] ball in a circle on a string that is 1.30...
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1. A child swings a 0.450 [kg] ball in a circle on a string that is 1.30 [m] long. If the ball makes 1.20 [revolutions/s], then:
a) What is the centripetal acceleration of the ball?
b) What is the tension in the string?
c) What is the magnitude of the ball's angular momentum?
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