/sci/ - Science & Math

Anonymous Wed Mar 23 00:20:33 2016 No.7950883 [View]
File: 108 KB, 706x982, physics_problem.jpg [View same] [iqdb] [saucenao] [google]

Can someone help me understand the calculation steps of this very basic physics problem?

I tried to do it myself but I just can't get the same result. I have no idea how at step (5) they arrive at (m1-m2)*v

Someone please explain it to me and maybe give a tip for problems with two unknowns in general? Thanks.

m1 is the only given value and it's 0.3kg

>>	Anonymous Wed Mar 23 00:18:07 2016 No.7950880 [View] File: 108 KB, 706x982, physics_problem.jpg [View same] [iqdb] [saucenao] [google]

Anonymous Tue Mar 22 23:51:54 2016 No.7950826 [View]
File: 108 KB, 706x982, physics_problem.jpg [View same] [iqdb] [saucenao] [google]

Can someone help me understand the calculation steps of this very basic physics problem?

I tried to do it myself but I just can't get the same result. I have no idea how at step (5) they arrive at (m1-m2)*v

Someone please explain it to me and maybe give a tip for problems with two unknowns in general? Thanks.

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