Homework Help: Calc

Posted by Kris on Friday, January 20, 2012 at 7:34pm.

I have an acceleration function and a velocity function that I know the equations for. How would I use those to find the equation for a position function x(t) if x(0) = 0? I'm just looking for a general method, but I can give the equations if needed.

Calc - Damon, Friday, January 20, 2012 at 8:12pm
v(t) = integral of acceleration, a(t)
x(t) = integral of v(t)
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in the special case where a is constant this would come out:

v = Vi + a t
(Vi is v when t = 0)

x = Xi + Vi t + (1/2) a t^2
(Xi is x at t = 0)
Calc - Kris, Friday, January 20, 2012 at 8:24pm
Thanks!

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