# Calculate the length of the runway if the aircraft speed is 360 km / h and the acceleration time is 40 seconds.

July 26, 2021 | education

| 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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