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A stainless steel sphere has a mass of 2.2 lb. It is subjected to a process during which its velocity increases from 10 m/s to 40 m/s and its original elevation of 100m decreases to half of it. During the process 40 kJ of heat is transferred from the sphere, while the sphere receives energy in the form of work equal to 20kcal. calculate the change in the sphere's internal energy in kJ.
Did the moslem caliphates contribute to the fall of rome? if so how?
If an 18.9 L (5 gallon) bucket of PCE is released (and equally distributed) into a 3.79x10^8 L (100,000,000-gallon) aquifer, will the PCE standard of 5 microgram/L under the Safe Drinking Water Act be exceeded
The minimum safe side slope for an excavation in a certain type of soil is 3 horizontal to 1 vertical. If a foundation excavation must be 40 ft wide x 60 ft long x 20 ft deep, How much soil must be removed from the site
Maintenance expenses for a bridge in Georgia are estimated to be $200,000 for the first eight years followed by two separate million dollar expenditures in years 12 and 18. The expected life of the bridge is thirty years.
Air enters an adiabatic nozzle steadily at 300 kPa, 200 o C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm 2 . Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the ..
In a right triangle with the hypotenuse c = 10 and the angle A =50 degrees , what is the value of side b ?
Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel
Consider a cantilever beam with a trapezoidal load along the length, a concentrated load at its free end, and an applied moment at the mid-span of the beam. What is the moment at the free end of the cantilever
A water line to a home is usually 3⁄4" copper tube. What is the flow rate that can be delivered and still maintain laminar flow in the tube?
assume hydrostatic uplift varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe. consider 1m length of dam.
Assuming steam to be an ideal gas, calculate its specific volume and density at a pressure of 90 lb/in^2 and a temperature of 650°F.
Given s=.30/(60-u), where s is the spacing (space headway) in miles, and u is the speed in miles per hour, derive the relationships u-k, u-q, and q-k. Also, estmate the capacity (qmax) of the roadway.
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