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The 5-oz pinewood-derby car is released from rest at the starting line A and crosses the finish line C 2.75 sec later. The transition at B is small and smooth. Assume that the net retarding force is constant throughout the run and find this force.
The elastic modulus is 40 GPa, the yield stress is 150 MPa, the ultimate stress is 525 MPa, and the ultimate strain is 0.38 (mm/mm). Perform the following tasks for this material.
A sedimentation basin is used to remove suspended solids from a wastewater. The rate of flow of wastewater into the tank is 10 L/s, and the influent concentration of suspended solids is 200 mg/L.
A 75g , 30cm--long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 12g ball of clay traveling horizontally at 2.5m/s hits and sticks to the very bottom tip of the rod.
A piston-cylinder device contains 0.2kg of water initially at 800 kPa and 0.06m^3. Now 200 kJ of heat is transferred to the water while its pressure is held constant. Determine the final temperature of the water.
State 5 reasons why adding things to a project charter late in the project execution could be a detriment to the project's objectives
Water is to be transported at a rate of 60,000 gallons/min in uniform flow in an open channel whose surface are lined with clay tile. The bottom slope is 0.0014.
A bank is offering to sell 6-month certificates of deposit for $9800. At the end of 6 months, the bank will pay $10,000 to the certificate owner. Compute the nominal annual interest rate and the effective annual interest rate
Let a one-dimensional velocity field be u = u(x, t), with v = 0 and w = 0. The density varies a ?-?0(2-cos(wt)) Find an expression for u(x, t) if u(0, t) = U.
1.an undisturbed soil sample has a dry unit weight of 112 pcf with a specific gravity of solids equals to 2.68.awhat is
If the diameters of ball bearings are normally distributed with mean 0.6140 inches and standard deviation 0.0025 inches, determine the percentage of ball bearings with diameters,
Determine the temperature that a stationary probe inserted into the duct will read for each case.
Two towers A and B are located on flat ground and their bases have equal elevations above sea level. A person on tower A whose eye level is 26.0 feet above the ground can just see the top of tower B, which is 105 feet above the ground. How far apart ..
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