1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Amplitude of spectroscopic signal

  1. Oct 5, 2011 #1
    1. The problem statement, all variables and given/known data
    What is the amplitude of the spectroscopic signal if the inclination is 45 degrees?
    Mass star = 1 mass of sun = 1.9891 x 10^30kg
    Mass Planet = 10 mass Earth = 5.9736 x 10^25kg
    Orbital period = 1 year

    2. Relevant equations

    I'm not sure about even what equation to use.

    3. The attempt at a solution

    I calculated the velocity of both masses, with velocity of the planet equalling 29.7km/s and the velocity of the star being 0.891km/s.
    Last edited: Oct 5, 2011
  2. jcsd
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted