right after the collision is $18\mathrm{.}000\frac{m}{s}$ to the east.

$($a$)$ What is the velocity of the truck right after the collision? $($Give your answer to five significant figures.$)$

$4\mathrm{.}00$ m$/$s east

$($b$)$ What is the change in mechanical energy of the car$-$truck system in the collision?

J

$($c$)$ Account for this chanae in mechanical enerav.

This answer has not been graded yet.

Need Help? $$