Graphing Position, Velocity, and Acceleration Graphs Video Lessons

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Problem: An Olympic-class sprinter starts a race with an acceleration of 4.50 m/s2. (a) What is her speed 2.40 s later? (b) Sketch a graph of her position vs. time for this period.

FREE Expert Solution

We'll use the kinematic equation:

vf=v0+at

x=v0t+12at2

(a)

From the first equation:

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Problem Details

An Olympic-class sprinter starts a race with an acceleration of 4.50 m/s2. (a) What is her speed 2.40 s later? (b) Sketch a graph of her position vs. time for this period.

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