RT @fermatslibrary: Momentum cancellation: a ball is fired at 50 mph, out of a cannon from a truck going 50 mph.
Tweet 16/05/2017 05:22 PM
Posted by Bolton School on 16 May 2017
Modified by Bolton School on 07 Sep 2023
RT @fermatslibrary: Momentum cancellation: a ball is fired at 50 mph, out of a cannon from a truck going 50 mph.