Posted by **Lindy** on Saturday, January 26, 2013 at 12:11am.

The height (in feet) at time t (in seconds) of a small weight oscillating at the end of a spring is given below.

h(t) = 0.2 cos(2t)

(a) Calculate the weight's average velocity over the time intervals [1, 2] and [5, 7].

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