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Suppose that you have constructed a simple pendulum made out of a steel string and steel ball. If the temperature of the room the

Suppose that you have constructed a simple pendulum made out of a steel string and steel ball. If the temperature of the room the pendulum is in increases by 16.0C, and if enough time has passed for the pendulum to reach thermal equilibrium with the room, then: (a) What is the percent change in the density of the steel ball? (b) What is the percent change in the period of the pendulum?

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