Question

I need help question

Answer 1

$\begin{gathered} Ifangleofdepression=5º \\ Thecomplementaryangle=90º\text{ - }5º\text{ = }85º \\ So: \\ tand(85º)=\frac{x}{310ft} \\ x=tand(85º)(310ft) \\ x=11.43(310) \\ x=3543.32ft \end{gathered}$

a is 3543.32 ft

B)

$\begin{gathered} tand(76)=\frac{x}{310ft} \\ x=4.01(310ft) \\ x=1243.1ft \end{gathered}$

c)

Speed =

$\frac{\Delta d}{\Delta t}=\frac{3543.32ft\text{ - }1243.1ft}{55s\text{ - }0s}=\frac{2300.22ft}{55s}=41.82ft/s$

d)

$\frac{1s}{41.82ft}(3543.32ft)=84.73s\approx85s$