Compute cop of heat pump if power consumed is given
A heat pump is absorbing heat from the cold outdoors at 5oC and supplying heat to a house at 25oC at a rate of 18,000 kJ/h. If the power consumed by the heat pump is 1.9 kW, the COP of the heat pump is?
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A bar of rectangular cross section 20mm × 5mm with a central hole of diameter 4mm is subjected to a tensile force F which fluctuates between maximum and minimum values of 10 kN and 8 kN respectively.
What is the phase difference in a Young's double slit experiment where the intensity is half that of the central maximum?
The heat exchanger is not insulated and is losing heat at a rate of 25 kJ/s. If the exit temperature of hot air is 20oC, the exit temperature of cold water is (oC)?
A parallel plate capacitor is immersed in sea water. Find the ratio of RMS conduction current to RMS displacement current if voltage V(t) = Vo Cos(2*pi*f*t) is applied to the capacitor. f = 3 x 10^7 Hz. Sea water has a resistivity of ro = 0.23
Determine the concentration of Cl (in wt%) that must be added if this substitution occurs for 5% of all the original hydrogen atoms.
(i) What is the core difference between electric and magnetic forces? (ii) How doMaxwell's equations showthis?
Scores on a test have a mean of 71 and the score of 80 falls at the 75th percentile. The scores have a distribution that is approximately normal. Find the score that falls at the 39th percentile. please show the work
Air is moving between two parallel plates at 40C and 6.667 m/s. What is the minimum distance H between the plates so that T(H/2)=40C when both plates are at 100C?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult