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The 1.2-Mg mine car is being pulled by winch M mounted on the car. If the winch generates a constant power output of 30 kW, and the car starts from rest, determine the speed of the car when t = 5s.
A cable is made of two strands of different materials, A and B, and cross sections as follows: For material A, K = 60, 000 psi, n = 0.6, Ao = 0.6 in2 For material B, K = 30, 000 psi, n = 0.5, Ao = 0.3 in2
Given an 18-in. concrete conduit with a roughness coefficient of n = 0.013, s = 0.02, and a discharge capacit of 15 cfs, what diameter pipe is required to triple the capacity
Friction of the walker's shoes and rope are sufficient to cause the rope to have more tension on one side then the other. Neglecting the weight and any elastic deformations of the 20.1-m long rope, create a table using 1.0m increment for the range
How to calculate the principle of shoring system in formwork analysis when the secondly floor upper has been poured?
A conical tube of length 8 m fixed vertically with its smaller end upwards. The velocity head and pressure head at upper ends are 1.27 m and 2.50 m respectively.
A hydraulic cylinder must produce a minimum force of 3 kN for a pressure of 800 kPa. What minimum diameter piston is required
The number of hours on each machine required to produce a product is given in the following table, along with the number of hours available per week on each type of machine. Assume that the company can sell everything it produces.
A proposal has been submitted to replace a group of assembly workers, each working individually, with an assembly line. The following table gives the individual work elements. The demand rate for this job is 1600 units/week (assume 40h/week)
The faster you try to open a screen door, the more resistance you encounter. When the door is released, the length of the closer decreases linearly with time until it returns to its intial length. Do any of the three viscoelastic models
The pipe is connected to a 400mm diameter pipe by a concentric reducer, the gauge pressure at the entrance of the reducer is 3.00 bar and the the energy losses are neglected . Determine the restraining force.
The boat is travelling along a circular path with a speed v=(0.0625t). Determine the magnitude of its acceleration when t=10s
(a) Derive equations for the shear force V and the bending moment M for segments: AB, AC and AD (Place the origin at point A). (b) Plot the shear-force and bending-moment diagrams for the beam using the derived functions.
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