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## Homework Statement

The position of a particle is given by the function x = ( 8t^3 - 3t^2 + 5) m, where t is in s.

(a) At what time or times does vx = 0 m/s?

(b) What are the particle's position and acceleration at t1?

What are the particle's position and acceleration at t2?

## Homework Equations

v1 = v0 + at

x1 = x0 + v0 + (1/2)at^2

vx = dx/dt

a = dv/dt

## The Attempt at a Solution

Quite honestly, I'm not sure where to begin with this problem. If someone could help me to start it that would be greatly appreciated, thanks!