How is 1200/Sq Root of L = 120 comes out to L = 100.
How is 1200/Sq Root of L = 120 comes out to L = 100.
Homework Answers
11.65 Steam as water vapor at 100 kPa, 120°C comes out from a pipe into the...
11.65 Steam as water vapor at 100 kPa, 120°C comes out from a pipe into the atmosphere. Assume it mixes adiabatically with the ambient air at 100 kPa, 20°C, 45% relative humidity so the final mixture has an absolute humidity of ? = 0.01. Find the final mixture temperature and relative humidity
Example Suppose you are a small business and you currently rent 1200 sq ft. of office...
Example Suppose you are a small business and you currently rent 1200 sq ft. of office space at $22.50 a sq ft per year. In this cost, office cleaning is included. You are now looking at moving to a bigger office space of 2500 sq ft, and the utilities of water and electric are included in addition to the office cleaning. Three years ago when you signed the lease, the inflation rate was 105. The current inflation rate is 120....
Suppose that out of 1200 students at your university, 100 are on a break and not...
Suppose that out of 1200 students at your university, 100 are on a break and not taking any classes this semester. Which of the following mathematical expressions describes the standard deviation of the sampling distribution of the proportion of 50 students who are on a break? Select one: a. √100×120050 b. √10050×1200 d. √(100/1200)×(1100/1200)/50
Question three An enterprising entrepreneur produces widgets and has a production function given by q=sq root...
Question three An enterprising entrepreneur produces widgets and has a production function given by q=sq root lk In particular, factory has k =25, where. Rental rates for k and l are given by w =v = $1. a. If the entrepreneur wishes to minimize short-run total costs of widget production, how much output be produced? b. Given that output is optimally allocated, calculate the short-run total, average, and marginal cost curves. What is the marginal cost of the 100th widget?...
(a) How much current flows in a 100 watt bulb when lit? Assume 120 volts and...
(a) How much current flows in a 100 watt bulb when lit? Assume 120 volts and assume DC voltage. (b) What is the resistance of a 100 watt light bulb when lit? Assume 120 volts and a tungsten filament temperature of 1200° C when lit. (c) How much current flow in the bulb when it is first turned on and the temperature of the filament is 20° C? Use α-5.36 x 10-3 Co.1 for tungsten.
Ray buys only hamburgers and bottles of root beer out of a weekly income of $100....
Ray buys only hamburgers and bottles of root beer out of a weekly income of $100. He currently consumes 20 bottles of root beer per week, and his marginal utility of root beer is 6. The price of root beer is $2 per bottle. Currently, he also consumes 15 hamburgers per week and his marginal utility of a hamburger is 8. Is Ray maximizing utility at his current consumption basket? If not, should he buy more hamburgers each week, or...
2. A dc machine (6 kW, 120 V, 1200 rpm, Ra = 0.2 Ω, Rf =...
2. A dc machine (6 kW, 120 V, 1200 rpm, Ra = 0.2 Ω, Rf = 100 Ω) has the following open circuit characteristics at 1200 rpm. If (A) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.4 Ea (V) 5 20 40 60 79 93 102 114 120 125 130 It has a field control resistance whose value can be varied from 0 to 150 Ω. The machine is driven at 1200 rpm and separately excited from...
A transformer changes 120 V across the primary to 1200 V across the secondary. If the...
A transformer changes 120 V across the primary to 1200 V across the secondary. If the secondary coil has 1556, how many turns does the primary coil have?
A hyperbaric chamber has a volume of 1200 L. How many kilograms of O2 gas are...
A hyperbaric chamber has a volume of 1200 L. How many kilograms of O2 gas are needed to give an oxygen pressure of 2.10 atm at 32 ∘C?
You go out to dinner and the bill comes to $ 33.04. How much should you...
You go out to dinner and the bill comes to $ 33.04. How much should you tip if you want the tip to be 17.0 % of the bill?
Example Suppose you are a small business and you currently rent 1200 sq ft. of office space at $22.50 a sq ft per year. In this cost, office cleaning is included. You are now looking at moving to a bigger office space of 2500 sq ft, and the utilities of water and electric are included in addition to the office cleaning. Three years ago when you signed the lease, the inflation rate was 105. The current inflation rate is 120....
(a) How much current flows in a 100 watt bulb when lit? Assume 120 volts and assume DC voltage. (b) What is the resistance of a 100 watt light bulb when lit? Assume 120 volts and a tungsten filament temperature of 1200° C when lit. (c) How much current flow in the bulb when it is first turned on and the temperature of the filament is 20° C? Use α-5.36 x 10-3 Co.1 for tungsten.
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