A skier starts from rest on the 32° slope at time t = 0 and is clocked at t = 3.21 s as he passes a speed checkpoint 24 m down the slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance. acceleration of the skier is 4.66 m/s^2

A skier starts from rest on the 32° slope at time t = 0 and is clocked at t = 3.21 s as he passes a speed checkpoint 24 m down the slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance. acceleration of the skier is 4.66 m/s^2

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The designer of a ski resort wishes to have a portion of a beginner's slope on which the snowboarder's speed will remain fairly constant. Tests indicate the average coefficients of friction between a snowboard and snow to be us = 0.097 and H= 0.083. What should be the slope angle of the constant-speed section? Answer: 0 = i Activate Windows Go to Settings to activate Windows.
The force P is applied to the 61-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P = 258 N, and (c) P = 449 N. (d) What value of Pis required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are us = 0.31 and ug = 0.28, respectively. The friction force is positive if up the incline, negative if down the incline. 61 kg 29 H, = 0.31 H= 0.28 19 The tolerance is ± 1 in the 3rd significant digit. (a) F= i N (b) F= N (c) F= (d) P= i
The block shown is observed to have a velocity v1 = 21 ft/sec as it passes point A and a velocity v2 = 12 ft/sec as it passes point B on the incline. Calculate the coefficient of kinetic friction µk between the block and the incline if x = 34 ft and θ = 20°. Use acceleration due to gravity of 32.2 ft/s2.
The elevations of the ski jumping hill are as follows: hA = 44 mhB = 1.6 mhC = 4.9 m If the velocity of a ski jumper is measured to be 27.9 m/s at position B, what will be the launch velocity (in m/s) at position C.
3. A toboggan and rider of total mass 90 kg travel down along the smooth slope defined by the equation y=0.08x². At the instant x - 10 m, the toboggan's speed is 5 m/s. At this point, determine the rate of increase in speed and the normal force which the slope exerts on the toboggan. Neglect the size of the toboggan and rider for the calculation. v=5m/s/ y=0.08.² 10 m
PROBLEM 11.105 B A homeowner uses a snowblower to clear his driveway. Knowing that the snow is discharged at an average angle of 40° with the horizontal, determine the initial velocity vo of the snow. 40° 3.5 ft 2 ft 14 ft
Can you solve this problem
distance d ?
The force P is applied to the 63-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P = 187 N, and (c) P = 314 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are u = 0.21 and uy = 0.15, respectively. The friction force is positive if up the incline, negative if down the incline. 63 kg 19 4, = 0.21 HE = 0.15 13 Answers: (a) F= i N (b) F = i N (c) F = i N (d) P= i
The box slides down the slope described by the equation y = 0.05x² m, where x is in meters. If the box has x components of velocity and acceleration of -3 m/s and -1.5 m/s? respectively at x = 5 meters, determine the y components of the velocity and acceleration of the box at this instant. y = 0.05 x
Problem 1. The coefficient of static friction between Box A with a mass of 220 kg and the inclined surface is 0.10. A rope, tied to the box, passes over a cylinder and the coefficient of static friction between the rope and the fixed cylinder is 0.05. If a woman pulls on the free end of the rope, the force the woman must exert on the rope to cause the box to start moving up the inclined surface is * 45° 120° 300 703 N 992 N 1087 N 1290 N