Timeline for How can kinetic energy be proportional to the square of velocity, when velocity is relative?
Current License: CC BY-SA 3.0
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Nov 23, 2012 at 1:04 | comment | added | Alfred Centauri | According to frame A, initially at rest with respect to you and your buddy, if your KE is increased by 5kJ, in that frame, and your mass is unchanged, your speed, relative to A, is objective. | |
Nov 23, 2012 at 0:59 | comment | added | geelen | Relative to you, when initially you were travelling together. If they burn 5kJ of fuel, all of which goes into propulsion, will they be travelling 10m/s away from you? | |
Nov 23, 2012 at 0:56 | history | answered | Alfred Centauri | CC BY-SA 3.0 |