Question

An airplane starts from rest and accelerates at 5.99 m/s2. What is its speed at the end of a 500-m runway?

Answer 1

\[S=\frac{ 1 }{ 2 }at^2\rightarrow t=\sqrt{\frac{ 2S }{a }}\]\[v=at=a \sqrt{\frac{ 2S }{ a }}=\sqrt{2aS}\]where a=5.99 and S=500

Answer 2

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