Lift off!

Classical Mechanics Level 2

An airplane accelerates down a runway at 3.2 m / s 2 3.2m/s^2 for 32.8 seconds until it finally lifts off. How far did it travel on the runway in meters?


The answer is 1721.34.

Sharky Kesa by Sharky Kesa , 19, United Kingdom

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1 solution

Simple.

Given that, a = 3.2 m / s 2 a=3.2m/s^2 t = 32.8 s t=32.8s u = 0 m / s u=0m/s Distance Travelled = d You know, d = u t + 1 2 a t 2 d=ut+\frac{1}{2}at^2 = 1 2 × 3.2 × 32. 8 2 m =\frac{1}{2}\times 3.2\times 32.8^2 m = 1721.344 m =1721.344 m

Really a piece of cake isn't it?

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