$[0/2$ Points$]$

SCAICET$82\mathrm{.}7\mathrm{.}044.$

PREVIOUS ANSWERS

ASK YOUR TEA

A particle moves along a straight line with equation of motion $s=f(t),$ where $s$ is measured in meters and $t$ in seconds. Find the velocity and the speed when $t=4.$

$f(t)=12\frac{45}{t1}$

velocity $\frac{m}{s}$

speed $$

Need Help? $$