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Physics HELP!

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An ant and a beetle are riding a spinning record on a record player. The ant stands on the outside edge of the record while the beetle stands on the record's label. The ant is four times as far from the center of rotation as the beetle. What is the ratio of the ant's centripetal acceleration to the beetle's?

Please explain :) Thank you!

  • Physics HELP! - ,

    Ac = w^2 R
    w the same
    R2 = 4 R1
    so four times

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