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OpenStudy (anonymous):
A bead travels on a wire in the shape of a spiral curve with parametric equations x = sin(sqrt(u)) - sqrt(u)cos(sqrt(u)) y = cos(sqrt(u)) + sqrt(u)sin(sqrt(u)) z = -u and the range of u is [0, 2pi] u = 0 at the top of the spiral, and at this point t = 0. The bead starts from rest. Assuming no friction, what is the acceleration a(t) of the bead as a function of time?
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OpenStudy (anonymous):
*
OpenStudy (anonymous):
Find <x'',y'',z''> for the acceleration vector.
OpenStudy (anonymous):
@oldrin.bataku no time dependency given.
OpenStudy (anonymous):
nm
OpenStudy (anonymous):
It's also given that u is a function t, and finding this function u is key to solving
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OpenStudy (anonymous):
yep, find V/|V|
OpenStudy (anonymous):
if I could draw a helix... I'd illustrate this for you..
OpenStudy (anonymous):
|dw:1348640857025:dw|
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