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In the swing carousel amusement park ride, riders sit in chairs that are attached by a...

In the swing carousel amusement park ride, riders sit in chairs that are attached by a chain to a large rotating drum as shown in (Figure 1). As the carousel turns, the riders move in a large circle with the chains tilted out from the vertical. In one such carousel, the riders move in a 19.5-m-radius circle and take 8.3 s to complete one revolution. Part A What is the angle of the chains, as measured from the vertical? Express your answer in degrees.

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n7 8.3 1.19 ラ IG 118.75。

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