1. Bobsled tracks are flat when they are going straight, but when there is a turn, the track is angled (banked) to create a centripetal force. Assuming no friction, the banking angle is q, the radius of curvature is r, and the maximum speed the bobsled can have without moving off the track is v. If the radius of curvature is doubled and the banking angle remains the same, which of the following statements is true? a. The maximum speed is 2v. b. The maximum speed is 4v. c. The maximum speed is 1.4v. d. The maximum speed depends on the banking angle.
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