For a Parametric curve z = r(t) , y = y(t) the curvature at a point p is: |dr d²y &xdy| dt dt dt? dt (a) Parametric equations of the cycloid are: I=0 - sin ở y =1- cos e Graph the cycloid for 0

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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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For a Parametric curve r = r(t) , y = y(t) the curvature at a point p is:
|dr dy dx dy|
dt dt2
dt? dt
213/2
dr
dt
dt
(a) Parametric equations of the cycloid are:
I = 0 - sin 0
y =1- cos e
Graph the cycloid for 0 < 0 < 10x
(b) Show that the curvature at top of any one of cycloid's arches is
Hint: At top of any one of it's arches y is maximum
(c) Parametric equations of a circle of radius r are:
1 = r cos 0
y = r sin e
Show that the curvature of each point of a circle of radius r is K =1/r
Transcribed Image Text:For a Parametric curve r = r(t) , y = y(t) the curvature at a point p is: |dr dy dx dy| dt dt2 dt? dt 213/2 dr dt dt (a) Parametric equations of the cycloid are: I = 0 - sin 0 y =1- cos e Graph the cycloid for 0 < 0 < 10x (b) Show that the curvature at top of any one of cycloid's arches is Hint: At top of any one of it's arches y is maximum (c) Parametric equations of a circle of radius r are: 1 = r cos 0 y = r sin e Show that the curvature of each point of a circle of radius r is K =1/r
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