39. A mass is oscillating on the end of a spring. The distance, ( y ), of the mass from its equilibrium position is given by [ y=y_{0} cos (2 pi omega t) ] Here ( y ) is in centimeters, ( t ) is time in seconds, and ( y_{0} ) and ( omega ) are positive constants. (a) What is the meaning of ( y_{0} ) in terms of oscillations? (b) How many oscillations are completed in 1 second?
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This is the maximum distance the mass moves from its equilibrium position during one oscillation. (b) The number of oscillations completed in 1 second is given by the frequency of the oscillation, which is represented by the constant \(\omega\). Show more…
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In Problems $39-44,$ an object of mass $m$ (in grams) attached to a coiled spring with damping factor b (in grams per second) is pulled down adistance a (in centimeters) from its rest position and then released. Assume that the positive direction of the motion is up and the period is $T$ (in seconds) under simple harmonic motion. A. Write an equation that relates the displacement d of the object from its rest position after t seconds. B. Graph the equation found in part (a) for 5 oscillations using a graphing utility. $$ m=30, \quad a=18, \quad b=0.6, \quad T=4 $$
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