s=7t^3-3t

(a)Find the velocity and acceleration as functions of t.

v(t)=

a(t)=

(b) Find the acceleration after 7 seconds.

_______m/s^2

(c) Find the acceleration when the velocity is 0. (Round the answer to one decimal place) _______m/s^2

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- February 12th 2008, 01:03 PMplstevensThe equation of motion of a particle, where s is in meters and t is in seconds, is gi
s=7t^3-3t

(a)Find the velocity and acceleration as functions of t.

v(t)=

a(t)=

(b) Find the acceleration after 7 seconds.

_______m/s^2

(c) Find the acceleration when the velocity is 0. (Round the answer to one decimal place) _______m/s^2 - February 12th 2008, 02:11 PMCaptainBlack
- February 12th 2008, 06:01 PMplstevens
so what do i do for b and c

- February 12th 2008, 06:41 PMtopsquark
- February 12th 2008, 06:50 PMplstevens
i don't mean to be a dumby but i still don't get it

- February 12th 2008, 07:45 PMtopsquark
- February 12th 2008, 07:47 PMplstevens
I'm so sorry but thats not making sense

- February 12th 2008, 07:54 PMtopsquark