/sci/ - Science & Math

Anonymous Tue Mar 15 19:19:59 2011 No.2711895 [View]
File: 11 KB, 225x165, 1294732730795.jpg [View same] [iqdb] [saucenao] [google]

can there ever exist an object in our universe that is truly "unbreakable". like im talking about nothing in our universe could bend/disfigure it. And if so. what would happen if you threw in in a black hole, or even each half in its own black hole

Anonymous Tue Feb 8 18:57:52 2011 No.2499519 [View]
File: 11 KB, 225x165, 1294732730795.jpg [View same] [iqdb] [saucenao] [google]

a person w/mass of 80kg and a skateboard of 3kg pushes against a wall with 30N whats his acceleration during the push
and then the next question is wahts his acceleration when his hand leaves the wall, so after the push

need help. i dont get this

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/sci/ - Science & Math

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