Determine the heat transfer in btu
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At a point on the free surface of a machine part, the strains are Ex=+1200 mu, Ey=+300mu, Yxy=+700 mu. Use Mohr's circle to determine: What are the principal stresses? Assume that E= 200 GPA and v=0.3.
A Pitot-static tube is used to measure the airspeed of an airplane. The pitot tube is connected to a pressure sensing device calibrated to indicate the correct airspeed when the temperature is 17 degrees Celsius and pressure is 101 KPA.
If an oscillation of a mass on a spring has 16 times the energy of another oscillation of the same mass on the same spring, what is the ratio of the amplitudes of the two oscillations? Give the ratio (larger amplitude) / (smaller amplitude).
In designing an experiment involving a treatment applied to 5 test subjects researchers plan to use a simple random sample of 5 subjects from a pool of 65 available subjects. Answer below. How many different simple random samples are possible?
A system consisting of 3 lb of water vapor in a piston- cylinder assembly, initially at 350°F and a volume of 71.7 ft3, is expanded in a constant-pressure process to a volume of 85.38 ft3.
A roller coaster traverses a vertical, circular track. a) what speed must the car have so that it will just make it over the top without assistance from the track?
A steel bar and an aluminum bar are joined end to end and fixed between two walls. The cross sectional area of the steel bar is As, the area of the aluminum bar is Aa. Initially, the bars are stress free.
The pressure difference between the large and small diameter pipes registers as a column of 5 cm water. Assuming discharge coefficient of CD = 0.95, calculate the mass flow rate in the pipe.
An Otto Cycle engine has an initial air pressure and temperature of 14.7 psia and 60° F, respectively. 750 BTU of heat is supplied per Lbm of air mass at the end of compression. The compression ratio is 7:1.
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Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
This week watch the 3 short video clips below about cultural appropriation. These videos will redefine terms like cultural appropriation
Question: What is meant by indigenismo (Keywords in Week 2)? What is las cronicas de castas (Cope)?
Question: Examine gender inequality on a global scale, considering how factors such as globalization, colonialism
Identify problems and concerns that contributed to the many race-related protests and unrest during the 2020 year.
Based on the chapter by Allen Furr on the sociology of mental illness, How do sociological models help you understand mental illness differently
Question: Which of the following are forms of media bias? (Select all that apply)