# motion in one and two dimension, acceleration, velocity, and speed

**Question description**

Suppose the acceleration of a particle is a function of *x*, where *a**x*(*x*) = (2.4/ s^2)*x*.

(a) If the velocity is zero when *x* = 1.0 m, what is the speed when *x* = 3.5 m?

(b) How long does it take the particle to travel from *x* = 1.0 m to *x* = 3.5 m?

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