Write the formula for centripetal acceleration in terms of frequency in uniform circular motion.

  • A
    $a_c = 4\pi^2 f^2 r$
  • B
    $a_c = 2\pi^2 f^2 r$
  • C
    $a_c = 4\pi f^2 r$
  • D
    $a_c = \pi^2 f^2 r$

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