Joey starts riding his scooter from his apartment to campus. He thinks it would be fun to make a graph of his position relative to time. By a weird coincidence, the graph is perfectly modeled by the equation 3t^2 -5t + 6  He tells his friend Andie that his average velocity for the second half of his trip was 39.2 units per time interval, because the slope formula says to do (256 - 60)/(5 -10) Is Joey correct?

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Vectors
Section: Chapter Questions
Problem 3.62AP: After a ball rolls off the edge of a horizontal table at time t = 0, its velocity as a function of...
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Joey starts riding his scooter from his apartment to campus. He thinks it would be fun to make a graph of
his position relative to time. By a weird coincidence, the graph is perfectly modeled by the equation

3t^2 -5t + 6 

He tells his friend Andie that his average velocity for the second half of his trip was 39.2 units per time
interval, because the slope formula says to do

(256 - 60)/(5 -10)

Is Joey correct?

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