?[T] Let \(\mathbf{r}(t)=\left\langle t, 2 t^{2}, 4 t^{2}\right\rangle\) be the position
Chapter 2, Problem 122(choose chapter or problem)
[T] Let \(\mathbf{r}(t)=\left\langle t, 2 t^{2}, 4 t^{2}\right\rangle\) be the position vector of a particle at time t (in seconds), where \(t \in[0,10]\) (here the components of r are expressed in centimeters).
a. Find the instantaneous velocity, speed, and acceleration of the particle after the first two seconds. Round your answer to two decimal places.
b. Use a CAS to visualize the path of the particle defined by the points \(\left(t, 2 t^{2}, 4 t^{2}\right)\) , where \(t \in[0,60]\).
Text Transcription:
r(t) = langle t, 2t^2, 4t^2 rangle
t in [0,10]
(t, 2t^2, 4t^2)
t in [0,60]
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