+1 862 207 3288 frictional force
The motion of a spring that is subject to a frictional force or a damping force (such as a shock absorber in a car) is often modeled by the product of an exponential function and a sine or cosine function. Suppose the equation of motion of a point on such a spring is
S(t) = 2e–1.5tsin 2pt
where s is measured in centimeters and t in seconds. Find the velocity after t seconds and graph both the position and velocity functions for 0 = t = 2.
