일반물리학 1 — Rotation: Problem 19

19 An open jar of water moves in a vertical circle of radius 0.50 m with a frequency that is small enough to put the water on the verge of falling out of the jar at the top of the circle. If the same demonstration were repeated on Mars, where the gravitational acceleration is only 3.7 m/s2, what is the change in the circling frequency to again put the water on the verge of falling out at the top point?