Math

Your fishing bobber oscillates up and down from the current in the river in a harmonic motion. The bobber moves a total of 2.5 inches from its high point to its low point then returns up to the high point every 3 seconds. Write an equation modeling the motion of the bobber at its high point at time t = 0.

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  1. a max at t=0 indicates a cosine wave

    you have the period and displacement, and there is no phase shift

    just follow the standard format

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