Question

A particle moves along the x-axis so that at time t\ge 0t≥0 its velocity is given by v(t)=3t^2-18t+15.v(t)=3t2−18t+15. Determine all values of tt when the particle is at rest.

Answer 1

When a particle is at rest, the velocity = 0. Therefore, we equate the v(t) term to zero (0)