Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

I IOAA 2nd problems: universe expansion

  1. Aug 3, 2017 #1
    Could anyone please guide me how to do these problems?
  2. jcsd
  3. Aug 3, 2017 #2


    Staff: Mentor

    Please post each problem individually in the homework forum, using the homework template. That will require you to make some effort to solve them yourself.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook