Performance coefficient of the refrigerator
Suppose a Carnot refrigerator is used to cool the interior of a food storage locker from room temperature to 5°C. As the temperature of the locker drops, the performance coefficient of the refrigerator.
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Madison Company's variable costs are 25% of sales. Its selling price is $150 per unit. If Weed sells one unit more than break-even units, how much will profit increase?
The person illustrated below is performing an exercise to build shoulder strength. We need to get an estimate of the moment created by the weight W about his shoulder joint.The length of the upper arm is "a, the length of the forearm is "b",and th
A company projects an increase in net income of $90,000 each year for the next five years, if it invests $450,000 in new equipment. The equipment has a five-year life and an estimated salvage value of $150,000.
The flow rate is 80 liters per second, and pressure is constant throughout the length of the pipe. Determine the slope of the pipe. Assume minor losses are negligible.
On August 18, a fire destroyed the office, lumber shed, and a considerable portion of the lumber stacked in the yard. To file a report of loss for insurance purposes.
If the pipe diameter is 30 cm, compare the head loss calculated from (a) the Darcy-Weisbach equation, (b) the Hazen-Williams equation, and (c) the Manning equation.
ABC Company uses 1%of all credit sales to estimate bad debt expense.The sales for this year are credit revenues $210000 ad cash revenues $135000.What is the bad debt expense for the accounting period?
A 89 nm thick coating is applied to the lens. What must be the coating's index of refraction to be most effective at 456 nm? Assume that the coating's index of refraction is less than that of the lens.
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The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
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Lifespan psychologists are unlikely to investigate both changes as well as consistencies that exist in different individuals'