A particle is moving along a line according to the law $S=t^3-3 t^2+4 t-2$ where $\mathrm{S}$ is measured in…
A particle is moving along a line according to the law $S=t^3-3 t^2+4 t-2$ where $\mathrm{S}$ is measured in metres and $t$ is measured in seconds. Then the velocity (in $\mathrm{mt} / \mathrm{sec}$ ) of the particle when its acceleration is zero is