Una avioneta para aplicar agroquímicos debe alcanzar una velocidad de 28 m/s para poder despegar. Si el motor provee una aceleración efectiva de despegue de 1.5 m/s2, determine: La longitud efectiva mínima que debe tener la pista para que la avioneta pueda despegar, si en la carrera de despegue recorre la pista partiendo del reposo, desde un extremo de la misma.

x = 261.3 m

Explanation:

In this problem we can use kinematic relations in one dimension

        v² = v₀² + 2 ax

the speed is v = 25 m / s, as part of the rest v₀ = 0 and they indicate that the acceleration is a = 1.5 m / s²

       x = v² / 2 a

calculate

       x = 28²/2 1.5

       x = 261.3 m

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