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23 Mar 2020
shock absorber When a car hits a certain bump on the road, a shock absorber on the car is compressed a distance of 6 in., then released (see the figure). The shock absorber vibrates in damped harmonic motion with a frequency of 2 cycles per second. The damping constant for this particular shock absorber is 2.8.
Find an equation that describes the displacement of the shock absorber from its rest position as a function of time. Take 
to be the instant that the shock absorber is released.
shock absorber When a car hits a certain bump on the road, a shock absorber on the car is compressed a distance of 6 in., then released (see the figure). The shock absorber vibrates in damped harmonic motion with a frequency of 2 cycles per second. The damping constant for this particular shock absorber is 2.8.
Find an equation that describes the displacement of the shock absorber from its rest position as a function of time. Take to be the instant that the shock absorber is released.
Irving HeathcoteLv2
26 May 2020
a distance of 3 cm above its rest position. It is then released and vibrates in damped harmonic motion with a frequency of 165 cycles per second. After 2 s, it is observed that the amplitude of the vibration at point 
.
Find an equation that describes the motion of the building. (Assume that 
, and take 
to be the instant when the gust of wind strikes the building.)