1 answer

On a clear night the air temperature is observed to remain at about 4 °C Yet...

Question:

On a clear night the air temperature is observed to remain at about 4 °C Yet surface water is reported to have frozen that ni

On a clear night the air temperature is observed to remain at about 4 °C Yet surface water is reported to have frozen that night due to a radiation effect Taking the convection heat transfer coefficient of air to be 18 W/m.°C, determine the value of the maximum effective sky temperature that night Comment on your answer NB: Water freezes at 0 °C and the emissivity of water is E = 0 95

Answers

Given The temperature, I c = 4 + 273 → Tahir = 277 k. of water, 8=0.95 Ernissivity For water, TzOC 20.+273 = 273K. h ( Tay -

.

Similar Solved Questions

1 answer
Let X = x1, x2, . . . , xn be a sequence of n integers....
Let X = x1, x2, . . . , xn be a sequence of n integers. A sub-sequence of X is a sequence obtained from X by deleting some elements. Give an O(n2) algorithm to find the longest monotonically increasing sub-sequences of X....
10 answers
The container is coated with 2 layers of specialty paint that costs $6.05 per jar
The container is coated with 2 layers of specialty paint that costs $6.05 per jar. Each jar pf paint covers 800cm2. How much does the paint cost?...
1 answer
How do you find the absolute maximum and minimum of the polynomial function of #f(x) = 2x^3 – 6x^2 – 48x + 24#?
How do you find the absolute maximum and minimum of the polynomial function of #f(x) = 2x^3 – 6x^2 – 48x + 24#?...
1 answer
Consider the reaction. A(aq) = 3 B(aq) K. = 6.30 x 10-6 at 500 K If...
Consider the reaction. A(aq) = 3 B(aq) K. = 6.30 x 10-6 at 500 K If a 3.50 M sample of A is heated to 500 K, what is the concentration of B at equilibrium? [B] = M...
1 answer
A plane passes directly over you head at an altitude of 500 feet
A plane passes directly over you head at an altitude of 500 feet. Two seconds later you observe that is angle of elevation is 42 degrees. How far did the plane travel in 2 seconds?...
1 answer
S) 20 pts. A freight train that is 700-meters from engine to caboose enters a crossing...
S) 20 pts. A freight train that is 700-meters from engine to caboose enters a crossing at a speed of 5 km/hr. The local requirements demand that freight trains do not block traffic for more than 4 minutes If the train accelerated at a constant rate: a) What should be the acceleration so that the cab...
1 answer
Define collective behavior from a sociological perspective and explain the relationship between collective behavior and social...
Define collective behavior from a sociological perspective and explain the relationship between collective behavior and social change....
1 answer
Were Maxwell's efforts more important than the individual discoveries of Gauss, Ampère, and Faraday? Explain your...
Were Maxwell's efforts more important than the individual discoveries of Gauss, Ampère, and Faraday? Explain your answer. Options: A)Yes, because Maxwell's addition, modification, and insights resulted in the identification of light as an electromagnetic wave. B)No, because Ampè...
1 answer
2) Describe Combined Immune Deficiency. What specifically should a nurse look for in a patient with...
2) Describe Combined Immune Deficiency. What specifically should a nurse look for in a patient with this condition?...
1 answer
5. A Consumer Reports survey found that 124 people out of 427 surveyed prefer to purchase...
5. A Consumer Reports survey found that 124 people out of 427 surveyed prefer to purchase books online. Use the steps below to construct a 95% confidence interval to estimate the proportion of all people that prefer to purchase books online. a) What is the sample proportion of people that prefer to ...
1 answer
If a capacitor has 2.82 μC of charge on it and an electric field of 2.10...
If a capacitor has 2.82 μC of charge on it and an electric field of 2.10 kV/mm is desired if they are separated by 4.74 mm of air, what must each plate's area be? Submit Answer Tries 0/10...
1 answer
Complete the following table Organ Function Seminal Vesicles What type of sugar is in the seminal...
Complete the following table Organ Function Seminal Vesicles What type of sugar is in the seminal vesicle secretion? What part of the sperm will utilize the seminal vesicle secretions? Prostate Gland What does the prostate gland secrete? Many aging men have enlarged prostate glands. What would be th...
1 answer
- Microson Word - introloCrystax a Search Textbook Solutions the x + is.vtedu can not auctor...
- Microson Word - introloCrystax a Search Textbook Solutions the x + is.vtedu can not auctor 1900 znako Question 1 1 pts OE 103 100 105 - 150 oooooo 1917 251 125 1303210 94 120 279 100 10153120 This is one part of a pedigree for Thrombocytopenia in King Charles Spaniels. Because breeding in dopts do...
1 answer
What are the benefits of the corporation in comparison with the partnership and proprietorship structures? How...
What are the benefits of the corporation in comparison with the partnership and proprietorship structures? How is equity treated and reported differently in this structure?...
1 answer
- A A AaPO Аавьссос Аавьссс 1 Normal 1 No Spac 2 x AA- « BALI...
- A A AaPO Аавьссос Аавьссс 1 Normal 1 No Spac 2 x AA- « BALI Paragraph Styles 300 WORDS 1. How someone you know has exhibited a fixed mindset. Results of that mindset? 2. How someone you know (can be sam...
1 answer
QUESTION 28 Lebron, the purchasing manager for Lakers Incorporated, orders 500 units of SKU W88167894 at...
QUESTION 28 Lebron, the purchasing manager for Lakers Incorporated, orders 500 units of SKU W88167894 at a time. Lakers Incorporated works 300 days a year. SKU BB167894 has a demand of 16,714 a year. It takes 6 days from the time Lebron places an order from the time it arrives at the doorstep of Lak...
1 answer
Explain the effects of bacilli toxins on the nerves and the spinal cord. State the long...
Explain the effects of bacilli toxins on the nerves and the spinal cord. State the long term effects of certain bacilli species infections....
1 answer
Remember that chemists typically do not include a coefficient of "1" in a balanced equation. If...
Remember that chemists typically do not include a coefficient of "1" in a balanced equation. If no coefficient is entered, it is understood that it is a "1." Now balance the equation by placing whole-number coefficients in front of the relevant formulas. XeF6(1) + H20(1)-→ XeO3(...