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How far will an airplane travel before takeoff if the plane can accelerate uniformly at a rate of 2.45 meters per second to its takeoff speed of 70 meters per second?
Wiki User
∙ 12y ago
The first step is to find out how long the airplane took before takeoff. If it travels at a uniform 2.45ms-2 acceleration and needs to get to 70ms-1 then this will take 70/2.45 = 28.57142857... seconds. The next step is to calculate the average speed. The plane starts at 0 and ends at 70, so the average speed will be 35ms-1. To find the distance travelled, we multiply the average speed (35) by the time taken (28.57142857...) and this gives 1,000. Thus, the plane travels for 1km before takeoff.
Wiki User
∙ 12y ago
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