User contributions for 174.116.253.167

23 September 2014

• 15:0915:09, 23 September 2014 diff hist +738‎ N Talk:A bug in my high school physics intuition ‎ Created page with "Rocket ships are weirder than bicycles most of the energy you expend in accellerating isn't your kinetic energy, but the kinetic energy of your propellant: $E = p^2 / 2m$, $p^..." current