Alice is riding a bike at 12 mph, but decides to sprint.  She takes 0.7 s to accelerate to 19 mph.  At constant acceleration, calculate her acceleration, a/(ft/s2).  (Here are possibly convenient conversion aids: 60 mph = 1 mi/min = 88 ft/s.  This equation is exact.  You may wish to verify the equation.  One mile = 60*88 ft, and one hour = 60*60 s.)

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 51P: A person going for a walk follows the path shown in Figure P1.51. The total trip consists of four...
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Alice is riding a bike at 12 mph, but decides to sprint.  She takes 0.7 s to accelerate to 19 mph.  At constant acceleration, calculate her acceleration, a/(ft/s2).  (Here are possibly convenient conversion aids: 60 mph = 1 mi/min = 88 ft/s.  This equation is exact.  You may wish to verify the equation.  One mile = 60*88 ft, and one hour = 60*60 s.)

 

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