A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long. The stone is moving around the path at a constant frequency of 2.20 rev/sec. At the moment the stone is overhead, the stone is released. The magnitude and direction of the velocity of the stone when it leaves the circular path is
A. 10.4 m/s horizontal.
B. 10.4 m/s vertical.
C. 22.0 m/s horizontal.
D. 22.0 m/s vertical.
E. 31.4 m/s horizontal.
A. 10.4 m/s horizontal.
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