What is the take-off speed of the aircraft if it takes off within 25 s with an acceleration of 3 m / s2.

To determine the takeoff speed of the aircraft in question, we will use the formula: V = V0 + a * t, where V0 is the initial speed (V0 = 0 m / s, since the aircraft started its takeoff run); t – run duration (t = 25 m / s); a – acceleration during takeoff (a = 3 m / s2).

Let’s perform the calculation: V = V0 + a * t = 0 + 3 * 25 = 75 m / s.

Answer: Before takeoff, the aircraft in question had a speed of 75 m / s.