To calculate the length of the runway in use, use the formula: S = (V + V0) * t / 2.
Values of variables: V – takeoff speed (V = 360 km / h; in the SI system V = 100 m / s); V0 – initial speed (V0 = 0 m / s); t – acceleration time (t = 40 s).
Let’s make a calculation: S = (V + V0) * t / 2 = (100 + 0) * 40/2 = 2 * 10 ^ 3 m (2 km).
Answer: The runway in use is 2 km long.
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