Question 317265
a) The horizontal distance ({{{d}}}), the one mile altitude, and {{{s}}} form a right triangle.
Use the Pythagorean theorem.
{{{s^2=1^2+d^2}}}
{{{s^2=d^2+1}}}
{{{highlight(s=sqrt(d^2+1))}}}
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b) {{{highlight(d=350t)}}}
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c) {{{s(t)=sqrt((350t)^2+1)}}}
{{{highlight(s(t)=sqrt(122500t^2+1))}}}