   Chapter 2, Problem 9P

Chapter
Section
Textbook Problem

A jet plane has a takeoff speed of v0 = 75 m/s and can move along the runway at an average acceleration of 1.3m/s2. If the length of the runway is 2.5 km, will the plane be able to use this runway safely? Defend your answer.

To determine
The safety of the plane with the acceleration.

Explanation

Given info: The initial velocity of the plane is 0 , the final velocity of the plane is 75m/s , the average acceleration of the plane is 1.3m/s2 , and length of the runway is 2.5km .

Explanation:

The formula used to calculate the distance covered by the plane is,

Δx=v2v022a

Here,

Δx is the distance covered by the plane.

v is the final velocity of the plane.

v0 is the initial velocity.

a is the average acceleration.

Substitute 75m/s for v , 0 for v0 and 1.3m/s2 to find Δx

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