Answer:
Explanation:
1 mile=5280 ft
1 hour=3600 seconds
Changing speed from mi/h to ft/s
[tex]97 mi/h \times \frac {5280}{3600}=142.2666667 ft/s\approx 142.27 ft/s[/tex]
Time of flight, [tex]t=\frac {distance}{speed}=\frac {60.5}{142.27}=0.425257732 s\approx 0.425 s[/tex]
From fundamental kinematics equations
[tex]h=0.5gt^{2}[/tex] where g is acceleration due to gravity whose value is taken as 32.2 ft/s2 and h is the distance
By substitution
[tex]h=0.5\times 32.2\times 0.425^{2}=2.9080625 m\approx 2.91 m[/tex]
