A skier starts from rest on the 31° slope at timet = 0 and is clocked at t = 2.81 s as he passes a speed checkpoint 18 m down the slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance.

A skier starts from rest on the 31° slope at timet = 0 and is clocked at t = 2.81 s as he passes a speed checkpoint 18 m down the slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

A skier starts from rest on the 31° slope at time t = 0 and is clocked at t = 2.81 s as he passes a speed checkpoint 18 m down the
slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance.
31°

Calculate the acceleration of the skier.
Answer: a = i
! m/s?

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