Question

Please help asaaaappppppppp

Answer 1

`v=√(64h)=√(64)\cdot√(h)=8√(h)`

`\text{substitute the value of h=84 ft.}\\\\v=8√(84)\approx8\cdot9.165\approx73.32`

`\boxed{Answer:\ B.\ 73.32\ ft/sec}`