How many revolutions will the circular helixr = a costi + a sin t j + 0.2tkmake in a

Chapter 12, Problem 44

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Focus on Concepts

How many revolutions will the circular helix

$\mathbf{r}=a \cos t \mathbf{i}+a \sin t \mathbf{j}+0.2 t \mathbf{k}$

make in a distance of 10 units measured along the $z \text { - axis }$?

Equation Transcription:

𝐫 $=a\ cos\ t$ 𝐢 $+a\ sin\ t$ 𝐣 $+0.2\ t$ 𝐤

$z-axis$

Text Transcription:

r=a cos ti+a sin tj+0.2 tk

z-axis

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