Posted by **Arin** on Friday, October 4, 2013 at 12:19am.

The position of a body at time t sec is s=t^3-6t^2+9t m. Find the body's acceleration each time the velocity is zero.

- Calculus -
**Steve**, Friday, October 4, 2013 at 12:21am
v = 3t^2-12t+9

= 3(t-3)(t-1)

a = 6t-12

so find a at t=1,3

- Calculus -
**gerald**, Tuesday, March 10, 2015 at 7:00am
the velocity of a car (measured in ft/sec) "t" seconds. after starting from rest and moving in a straight line is given by f(t)=2t (0<t<20). find the displacement of a car at any time "t"

## Answer this Question

## Related Questions

- math - the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the ...
- math-calculus - Hi i've been struggling over this question for a while. Can ...
- Chels - What can you say about the motion of a body if its veloctiy-time graph ...
- physics - Which one of the following situations is not possible? A body travels ...
- Physics(check) - 13)What can you say about the motion of a body if its velocity-...
- Math - The velocity of a body A is given by v(t) = 2t^i + t 3^j. The body starts...
- physics - a body moves with a uniform velocity of 2m/sec for 5 sec then velocity...
- Calculus - Give acceleration a=d^2s/dt^2,initial velocity, and initial position ...
- Calculus - Give acceleration a=d^2s/dt^2,initial velocity, and initial position ...
- Calculus - I don't understand what the graph is suppose to show and what the ...