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January 30, 2015

January 30, 2015

Posted by **Elizabeth** on Monday, December 10, 2012 at 11:46pm.

- Math -
**Steve**, Monday, December 10, 2012 at 11:55pmat the top when t=0, so no phase shift

h = Acos(at)+k

center of wheel is at 10+30/2 = 25, so

h = Acos(at)+25

wheel radius is 15, so

h = 15cos(at)+25

period = 10, so use 2π/10

h = 15cos(πt/5)+25

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