47. To meet a U.S. Postal Service requirement, employees' foot wear must have a coefficient of static friction of 0.500 or more on a specified tile surface. A typical athletic shoe has a coef ficient of 0.800. In an emergency, what is the minimum time interval in which a person starting from rest can move 3.00 m on the tile surface if she is wearing (a) footwear meeting the Postal Service minimum and (b) a typical athletic shoe? ~^^

47. To meet a U.S. Postal Service requirement, employees' foot wear must have a coefficient of static friction of 0.500 or more on a specified tile surface. A typical athletic shoe has a coef ficient of 0.800. In an emergency, what is the minimum time interval in which a person starting from rest can move 3.00 m on the tile surface if she is wearing (a) footwear meeting the Postal Service minimum and (b) a typical athletic shoe? ~^^

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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47. To meet a U.S. Postal Service requirement, employees' foot
wear must have a coefficient of static friction of 0.500 or more
on a specified tile surface. A typical athletic shoe has a coef-
ficient of 0.800. In an emergency, what is the minimum time
interval in which a person starting from rest can move 3.00 m
on the tile surface if she is wearing (a) footwear meeting the
Postal Service minimum and (b) a typical athletic shoe?
~ ሰ

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