For a physics project, Morgan and Lily had to graph and analyze an example of simple harmonic motion. Morgan swung on swing, and Lily used a motion detector to measure Morgan's height above the ground over time, as she swung back and forth. At the end of each cycle, the swing returned to its initial position, which resulted in a sinusoidal graph. a) Interpret the graph b) Determine Morgan's height above the ground at 4 s

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