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Quiz #3.2 (A)


7 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt

    A pickle sits 8.0 cm from the center of a circular, rotating platter. The platter rotates such that the pickle’s tangential speed is 4.8 cm/s. What is the pickle’s centripetal acceleration?

    2.9 cm/s2

    1.3 cm/s2

    5.8 cm/s2

    0.6 cm/s2

  • 2. Multiple Choice
    5 minutes
    1 pt

    A tether ball tied to a pole by a rope swings in a circular path with a centripetal acceleration of 2.7 m/s2 . If the ball has a tangential speed of 2.0 m/s, what is the diameter of the circular path in which it travels?

    10 m.

    1.5 m

    3.0 m

    4.5 m

  • 3. Multiple Choice
    5 minutes
    1 pt

    An inline skater skates on a circular track 120.0 m in diameter at a tangential speed of 9.20 m/s. If the skater’s mass is 68.5 kg, what is the magnitude of the centripetal force on the skater?

    65.1 N

    96.6 N

    10.5 N

    48.3 N

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