flickering streak

Math problem:

For this picture, I left the shutter open 1/100 of a second. Assuming all of that street light’s flickerings are visible, at what rate is it flickering?


Old comments:

shemp @ 2009-12-04 08:48:49
Aagh! My brain hurts!

Hhhgggrrreeerrraaaeee!!! @ 2009-12-07 11:29:11
EEEeaaareerrrrggghhh!!!!111

flickering streak