A student stands in an elevator that is continuously accelerating upward with acceleration a. Her backpack is sitting on the floor next to the wall. The width of the elevator car is L. The student gives her backpack a quick kick at t = 0, imparting to it speed v and making it slide across the elevator floor. At time t, the backpack hits the opposite wall. Find the coefficient of kinetic friction mk between the backpack and the elevator floor

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 32PQ: If the vector components of the position of a particle moving in the xy plane as a function of time...
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A student stands in an elevator that is continuously accelerating upward with acceleration a. Her backpack is sitting on the floor next to the wall. The width of the elevator car is L. The student gives her backpack a quick kick at t = 0, imparting to it speed v and making it slide across the elevator floor. At time t, the backpack hits the opposite wall. Find the coefficient of kinetic friction mk between the backpack and the elevator floor. 

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