subject
Physics, 17.03.2020 04:42 tishfaco5000

The Ca-H line in the spectrum of star is observed to be at a wavelength of [w] nm. For a sample of calcium at rest relative to us, this line is seen at a wavelength of 395.1 nm. What is the radial velocity for this star?

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 04:00
Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?
Answers: 1
question
Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
Answers: 1
question
Physics, 22.06.2019 17:40
Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?
Answers: 1
question
Physics, 22.06.2019 21:00
Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.
Answers: 2
You know the right answer?
The Ca-H line in the spectrum of star is observed to be at a wavelength of [w] nm. For a sample of c...
Questions
question
Mathematics, 15.12.2020 04:50
question
History, 15.12.2020 04:50
question
History, 15.12.2020 04:50
question
Biology, 15.12.2020 04:50
question
Mathematics, 15.12.2020 04:50
question
Mathematics, 15.12.2020 04:50
question
Mathematics, 15.12.2020 04:50
Questions on the website: 13722363