subject
Mathematics, 19.12.2019 00:31 ultimatesaiyan

The emissivity of a surface coated with aluminum oxide can be approximated to be 0.15 for radiation at wavelengths less than 5 μm and 0.9 for radiation at wavelengths greater than 5 μm. determine the average absorptivity of this surface at 1040.00 k

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81
Answers: 3
question
Mathematics, 21.06.2019 15:30
1. what is the measure of ∠abc? what is the measure of ∠abd?
Answers: 1
question
Mathematics, 21.06.2019 16:20
Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively
Answers: 3
question
Mathematics, 21.06.2019 21:30
Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m
Answers: 2
You know the right answer?
The emissivity of a surface coated with aluminum oxide can be approximated to be 0.15 for radiation...
Questions
question
Mathematics, 14.07.2019 18:00
Questions on the website: 13722360