A popular ride at amusement parks is illustrated in FIGURE 6-74. In this ride, people sit in

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A popular ride at amusement parks is illustrated in FIGURE 6-74. In this ride, people sit in a swing that is suspended from a rotating arm. Riders are at a distance of 12 m from the axis of rotation and move with a speed of 25 mi/h.
(a) Find the centripetal acceleration of the riders.
(b) Find the angle θ the supporting wires make with the vertical.
(c) If you observe a ride like that in Figure 6-74, or as shown in the photo on page 178, you will notice that all the swings are at the same angle θ to the vertical, regardless of the weight of the rider. Explain.
12 m
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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