A skier starts from rest on the 32° slope at time t-0 and is clocked att- 3.21s 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.32°Part 1Calculate the acceleration of the skier.Answer: a -m/s?

Given data, Initial speed u = 0 m/s Angle of inclination θ = 32o Distance covered s = 24 m Time t =…

Answered: A skier starts from rest on the 32°…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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6.
A student releases a system on an incline as shown. The coefficient of friction of static friction between the 20kg box and the surface is 0.28 and the coefficient of kinetic friction is 0.16. Neglect drag. What is the magnitude of maximum static friction between the block and the surface in this situation? 47.1 N What direction is the friction on the 20kg block? up-left 20kg What direction will the 20kg block slide? 7.6kg neither What is the magnitude of the friction? 17.9 N 31° What is the magnitude of the net force on the system? 66.24 N What is the magnitude of the system's acceleration? 2.4 m/s? What is the tension in the string? 92.72 cannot be det check answers Rain to
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A car requires 4m to stop after the application of brakes. Determine the speed of the car just before the brakes were applied. The road has a slope of -2.4% and average of coefficient of friction of 0.42.
In the figure shown, the load needs to be raised 28 ft. Noting that Gear A is initially at rest and it has a constant acceleration until it reaches 120rpm velocity in 5s, it maintains a uniform velocity of 120 rpm after. Solve for (a) the total time the load was raised at the required height(in seconds). (b) the angle of change of Gear A (in revolution). A 3 in. B 18 in. 15 in. Load
As shown in Figure 1 of the ski ramp, you need to make sure that theskier lands safe once they jump from the ski ramp. Given that ramp A has an angle(theta)A = 25° with the horizontal. (a) Calculate the initial speed, VA if the skier lands on the ground at point B.
show the fbd and complete soln
l/04 Calculate the components of the hydrostatic force exerted by the water on a (1 m) width of the curved surface AB shown in the figure below. + p FREE SURFACE OF WATER 1.5 m3 O h* A 2 m Provide the value of Fx and Fy in N B.
Problem #4 (. A 16-lb bowling ball is cast horizontally onto a lane such that its initial angular rate wo = 0 and its center of mass has a velocity vo = 8 ft/s. The radius of the ball is r = 0.375 ft, and the coefficient of kinetic friction between the lane and ball is Hk = 0.12. 8 ft/s G What is the condition, in terms of w and v for а. 0.375 ft rolling without slipping? b. ) Draw a clear and complete free body diagram of just the ball. с. What is the angular acceleration of the ball? Use IG = l5 mr for a solid sphere. What is the linear acceleration of the ball? е. For how much time does the ball slide before it begins to roll without slip? f. For what distance does the ball slide before it begins to roll without slip? g. What is the velocity of the ball at the moment it beings to roll without slip? d.
A student releases a system on an incline as shown. The coefficient of friction of static friction between the 20kg box and the surface is 0.28 and the coefficient of kinetic friction is 0.16. Neglect drag. What is the magnitude of maximum static friction between the block and the surface in this situation? 47.1 What direction is the friction on the 20kg block? up-left What direction will the 20kg block slide? 20kg 7.6kg neither What is the magnitude of the friction? 26.5 What is the magnitude of the net force on the system? 0. What is the magnitude of the system's acceleration? 0.015 m/s? What is the tension in the string? 74.6 cannot be de check answers nallenge ne Calculator und = 343m/s ant figures
a=80. b=-2.5

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