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1.A 1.0-m rigid horizontal support is hung by two cables as shown. One cable is brass and The other cable is high-density polyethylene plastic. At room temperature (21°C), the cables measure 3.50 m vertically. When the temperature drops to 15°C, find the following:
(a) The change in length in each cable (
b) The change in elevation of points A, B, and C
2.A 1000 in diameter solid steel (p= 0.303) bar is 10.0 ft long. Under a tensile load.
(a) Estimate the lateral strain experienced by the bar
(b) Estimate the cross sectional dimension of the bar when under strain
the tank contains water to depth of 2m and oil (sg=.8) on top of the water to a depth of 1m detrermine the magnitude and location of the resultant fluild force acting on one end of the tank
For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz lo..
It rains 3.0 in. on a 20.0 acre watershed. What is the volume of rainfall excess if 30% of the watershed area is a lake and infiltration on the soil is estimated at 1.0 in. What is the total volume of runoff
A closed storage building is located on open flat terrain in central ohio. If the side wall of the building is 20ft high, determine the external wind pressure acting on the windward and leeward walls. Each wall is 60ft long.
The level of water in a city water tower is 125ft. above the ground. The tank is kept with an air space which can be pressurized with compressed air. It is important to maintain a pressure at the bottom of the tower at 75 psig
A C10x20 catilever beam is 12 feet long, supported on the right side. The beam supports two point loads: Load 1 is 2500 lbf and is located 2.5 feet from the wall. Load 2 is 1300 lbf and is located 12 feet from the wall.
Given that the moduli of electricity of this material are respectively 69GPa and 393 GPa plot modulus of elasticity versus the volum percent of Al2O3 in Al from 0 to 100 vol % using both upper and lower bound expressions
When X exceeds some critical distance the slider will "lock" and no longer move regardless of the force applied. If the coefficient of friction for the slider bearing is 0.1, what is the critical value for X in inches
A marble on the end of a massless string is rotating about a hole at O on a flat(horizontal) frictionless table. The mass originally rotates with an angular velocity theta'=w0 and r is constant at r1.
If a unit mass of groundwater accelerates from rest to an average linear velocity of 1 m per year and climbs a vertical distance of 1 m, compare the ratio of kinetic energy to the potential energy of the unit of groundwater.
if the settling velocity of a particle is 2.8 mm/s and the overflow rate of an upflow clarifier is .56 cm/s what percent of the particles are retained in the clarifier
a vehicle pulls out onto a single lane highway that has a flow rate of 280 vehhr poisson distributed. the driver of the
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