Answer to Question #9652 in Mechanics | Relativity for Grace
To meet a U.S. Postal Service requirement, footwear must have a coefficient of static friction of 0.540 or more on a specified tile surface. A typical athletic shoe has a coefficient of 0.850. In an emergency, what is the minimum time interval in which a person starting from rest can move 2.95 m on a tile surface if she is wearing the following footwear?
a) footwear meeting the Postal Service minimum
b) a typical athletic shoe