Modeling with periodic functions: Cyclical exponential decay. A spring is attached to the ceiling and pulled 14 cm down from equilibrium and released. After 2 seconds the amplitude has decreased to 5 cm. Also, the spring oscillates 7 times each second. Assuming that the amplitude is decreasing exponentially, below is a model for the distance, D the end of the spring is below equilibrium, in terms of seconds, t: D(t) = 14(0.59761)* . cos(147t) • COS [Note: Here we define t as the number of seconds elapsed. Also, locations below the resting position have negative values for D.] After t = 8 seconds, how far from equilibrium is the end of the spring? If your answer is a decimal, please round to no more than 3 decimal places. cm
Modeling with periodic functions: Cyclical exponential decay. A spring is attached to the ceiling and pulled 14 cm down from equilibrium and released. After 2 seconds the amplitude has decreased to 5 cm. Also, the spring oscillates 7 times each second. Assuming that the amplitude is decreasing exponentially, below is a model for the distance, D the end of the spring is below equilibrium, in terms of seconds, t: D(t) = 14(0.59761)* . cos(147t) • COS [Note: Here we define t as the number of seconds elapsed. Also, locations below the resting position have negative values for D.] After t = 8 seconds, how far from equilibrium is the end of the spring? If your answer is a decimal, please round to no more than 3 decimal places. cm
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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