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September 19, 2014

September 19, 2014

Posted by **Brandi** on Wednesday, March 6, 2013 at 3:46pm.

(a) Write the position, velocity, and acceleration functions of the brick.

s(t) =

v(t) =

a(t) =

(b) How long does it take the brick to hit the sidewalk?

(c) How fast is the brick traveling when it hits the sidewalk?

- calculus -
**Steve**, Wednesday, March 6, 2013 at 3:59pm(a)

s = 1290 - 16t^2

... for v,a

(b) solve for t:

1290 - 16t^2 = 0

(c) plug that t into v(t)

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