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.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...

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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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