A $45-$lb suitcase slides from rest $20$ ft down the ramp. The suitcase has an initial velocity down the ramp of $\backslash ($ v$\_\{$A$\}=13\backslash$mathrm$\{$ft$\}/\backslash$mathrm$\{$s$\}\backslash )$ and the coefficient of kinetic friction along $\backslash ($ A B $\backslash )$ is $\backslash (\backslash$mu$\_\{\backslash$mathrm$\{$k$\}\}=0\mathrm{.}25\backslash ).($Figure $1)$

Figure

How long does it take to go from $\backslash ($ A $\backslash )$ to $\backslash ($ C $\backslash )?$

Express your answer to three significant figures and include the appropriate units.

$\backslash [$

t$=$

$\backslash ]$ I

Part B

Determine the point where it strikes the ground at $\backslash ($ C $\backslash ).$

Express your answer to three significant figures and include the appropriate units.