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**Problem**: A mass undergoes a sinusoidal oscillation with a frequency of 50 Hz and an amplitude of 7.8 cm. At a time t = 1 s, the position of the mass is x(t) = 5 cm. Write an equation to describe the positon of the mass as a function of time.

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A mass undergoes a sinusoidal oscillation with a frequency of 50 Hz and an amplitude of 7.8 cm. At a time t = 1 s, the position of the mass is x(t) = 5 cm. Write an equation to describe the positon of the mass as a function of time.

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Our tutors have indicated that to solve this problem you will need to apply the Oscillation Equations concept. You can view video lessons to learn Oscillation Equations Or if you need more Oscillation Equations practice, you can also practice Oscillation Equations practice problems .