Solution: Motion Along an Involute of a Circle The figure shows a particle moving along
Chapter 12, Problem 50(choose chapter or problem)
Motion Along an Involute of a Circle shows a particle moving along a path modeled by The figure
\(\mathbf{r}(t)=\langle\cos \pi t+\pi t \sin \pi t, \sin \pi t-\pi t \cos \pi t\rangle\).
The figure also shows the vectors v(t) and a(t) for t = 1 and t = 2.
(a) Find \(a_{T}\) and \(a_{N}\) at t = 1 and t = 2.
(b) Determine whether the speed of the particle is increasing or decreasing at each of the indicated values of t. Give reasons for your answers.
Text Transcription:
r(t)=<cos pi t + pi t sin pi t, sin pi t - pi t cos pi t>
a_T
a_N
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