MCAT Question of the Day
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    Q:

    		 A pendulum is being built to have a period as consistent as possible over time. It will be built with a heavy mass and nearly massless string, and oscillate in a vacuum. Which of the following external parameters must be most closely controlled to maintain its period?
    		 

    A

    		 Illumination of the system

    B

    		 Elevation of the system

    C

    		 Mass at the tip of the pendulum

    D

    		 Sound energy provided to the system



    Periodic Motion |
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