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To demonstrate circular motion, a teacher whirls vertically a bucket of water around an R radius...

To demonstrate circular motion, a teacher whirls vertically a bucket of water around an R radius circle.

  1. How would you determine the minimum angular speed so that the water stays in the bucket throughout the circular motion?
  2. Explain how come the water stays in the bucket? Give your answer according to an inertial frame of reference and a noninertial frame of reference.
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