If you throw a rock off a boat does the water go up or down?

June 26, 2016

http://www.slate.com/blogs/bad_astronomy/2016/06/26/if_you_throw_a_rock_off_a_boat_does_the_water_go_up_or_down.html

This entry was posted on June 26, 2016 at 11:12 pm and is filed under -.