# How long must the runway be for the airplane to reach its takeoff speed if the jet accelerates at...

## Question:

How long must the runway be for the airplane to reach its takeoff speed if the jet accelerates at a rate of 1. Mile per second.

## Linear Motion with Constant Acceleration

If an object moves with constant acceleration {eq}a {/eq}, its velocity is increased during a time {eq}t {/eq} by {eq}\Delta v = a \, t {/eq}.

## Answer and Explanation:

The typical takeoff speed for a fully loaded Boeing 747 is around 160 knot, which is about 185 miles per hour (source: Wikipedia). This translates...

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Introduction to Constant Acceleration

from General Studies Science: Help & Review

Chapter 18 / Lesson 7
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