Question: A child outside is swinging on a swing that makes a horrible screeching noise. Starting from when the swing is furthest back, the pitch of

A child outside is swinging on a swing that makes a horrible screeching noise. Starting from when the swing is furthest back, the pitch of the screeching noise increases as it swings forward and then decreases as it swings back.
a. Draw a graph of the pitch as a function of position without hysteresis.
b. Draw a graph with hysteresis. Which graph seems more likely?
c. Imagine what each sounds like. Which is more irritating?

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