subject
Mathematics, 16.10.2020 07:01 daniellekennedy05

Hydrogen has a prominent emission line at 486 nm. It was measured for a moving astronomical object at 484 nm. Is the object moving towards or away from the observer and how fast?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
What is the value of the expression below? (81^2)^1/8
Answers: 1
question
Mathematics, 21.06.2019 15:30
Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?
Answers: 3
question
Mathematics, 21.06.2019 17:00
Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5
Answers: 1
question
Mathematics, 21.06.2019 17:10
Which is a graph of a proportional relationship?
Answers: 1
You know the right answer?
Hydrogen has a prominent emission line at 486 nm. It was measured for a moving astronomical object a...
Questions
question
Computers and Technology, 30.11.2021 21:30
question
Biology, 30.11.2021 21:30
question
Mathematics, 30.11.2021 21:30
Questions on the website: 13722367