Determine the actual cop of the device
An actual refrigerator absorbs 500 kJ of heat from a sink at 250 K and reject 660 kJ of heat to environment at 300 K. T0 = 300 K. the heat transfer processes are reversible. Determine the actual COP of the device.
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If two identical satellites or the Earth in circular orbits collide head on in a perfectly inelasctic collision, what would happen to the debris? Explain Why!! (If you can add formulas proving the explanation right)
If chilled air enters a 15m long duct at 70C, what is the exit temperature and the rate of heat gain? Properties of the chilled air may be evaluated at an assumed average temperature of 300K.
Estimate the maximum magnetic field you might experience walking under such a power line, and compare to the Earth's field.
Find the mean, variance and standard deviation for the distribution.
For a daily lottery, a person selects a three digit number using the numbers from 0 to 9. Numbers may be repeated. If the person plays for $1.00, she can win $500. What is the expectation of the game?
Determine the thermal efficiency, the heat rate, and the flow rate for a 10 MW system if the mixed-flow expander possesses an isentropic efficiency of 0.50.
Why is Charpy V-Notch (CVN) energy used as a surrogate for fracture toughness, KI, rather than using KI directly? What problems arise from the use of an indirect material property?
Find the percentage of women meeting the height requirement. are too many women being denied the opportunity to join this branch of the millitary because they are too short or too tall
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A review of the scholarly literature will uncover a prevalence of risky sexual behaviors and a high rate of sexually transmitted infections in individuals
Discuss the Aaron Beck's cognitive therapy. What are the basic principles and goals of this form of therapy?
Assignment: Choose a current topic in abnormal psychology/psychopathology that interests you and that we have not covered in this class.
Navigating dual relationships while in counseling can be somewhat complex, especially in smaller or tight-knit communities
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