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1. |
A stone tie with a string held at one end is being rotated at a constant angular velocity in the air. The tangential velocity will remain constant if _______ |
A. | The plane of motion of the stone is parallel to the ground |
B. | The plane of motion of the stone is perpendicular to the ground |
C. | The plane of motion of the stone is at an angle of 45 degrees to the ground |
D. | The tangential velocity is independent of the plane of motion |
Answer» B. The plane of motion of the stone is perpendicular to the ground | |