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    functions application question

    2. A mass is supported by a spring so that it is at rest 0.5 m above a tabletop. The mass is pulled down 0.4 m and released at time t = 0, creating a periodic up and down motion that can be modelled using a trigonometric function. It takes 1.2 seconds to return to the lowest position each time.


    Write an equation for the function
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    Quote Originally Posted by laura11 View Post
    2. A mass is supported by a spring so that it is at rest 0.5 m above a tabletop. The mass is pulled down 0.4 m and released at time t = 0, creating a periodic up and down motion that can be modelled using a trigonometric function. It takes 1.2 seconds to return to the lowest position each time.


    Write an equation for the function
    You can transform y=-cos(x) to avoid phase shift. You have amplitude, period, and vertical shift.
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