Question $\frac{?}{{?}_{?}}$ ol $3$

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The $330-Mg$ jet airliner has three engines, each of which produces a nearly constant thrust of $230$ kN during the takeoff roll. Determine the length s of runway required if the takeoff speed is $212k\frac{m}{h}.$ Compute $s$ first for an uphill takeoff direction from $A$ to $B$ and second for a downhill takeoff from $B$ to $A$ on the slightly inclined runway. Neglect air and rolling resistance.

Assume $=0\mathrm{.}4.$

Answers:

Uphill from $A$ to $B$ : $s=$ m

Downhill from $B$ to $A$ : $s=$ m