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: Luminosity problem

  1. Feb 16, 2017 #1
    1. The problem statement, all variables and given/known data
    A big drunken alumni tailgate game has an area of 11 ft2. Engineering alumni have constructed a Random Beanbag Machine that uniformly drops beanbags on the surface so that in each second 660 beanbags drop randomly all over the surface. The beanbag luminosity of this machine is


    2. Relevant equations
    Luminosity equation? Energy Conservation?

    3. The attempt at a solution
    I thought it would be just 660/11= 60 b/ft2, but i'm not sure,
  2. jcsd
  3. Feb 17, 2017 #2


    User Avatar
    2017 Award

    Staff: Mentor

    What is b?

    The units don't fit to a luminosity.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted