ball is placed on a smooth inclined plane of inclination 0 30 to the horizontal which is ating at frequency 0 5 Hz about a

Question

ball is placed on a smooth inclined plane of inclination 0 30 to the horizontal which is ating at frequency 0 5 Hz about a vertical axis passing through its lower end At what tance from the lower end does the ball remain at rest 1 85 m b 0 2 m c 0 42 m d 0 67 m

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