Lösning 2.5:7
FörberedandeFysik
(Skillnad mellan versioner)
			  			                                                      
		          
			 (Ny sida: Varje kvadrat har sitt masscentrum mitt i kvadraten.<br\>  <math>r_g=\frac{4kg(0,5;0,5)m+4kg(0,5;-0,5)m}{4kg+4kg}=\frac{4(1,0;0)}{8}m=(0,5;0)m </math>)  | 
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| (En mellanliggande version visas inte.) | |||
| Rad 1: | Rad 1: | ||
| - | + | <math>\displaystyle \mathbf{r}_g = \frac{4\textrm{kg}(0,5;\,0,5)\textrm{m}+4\textrm{kg}(0,5;\,-0,5)\textrm{m}}{4\textrm{kg}+4\textrm{kg}} = \frac{4(1,0;\,0)}{8}\textrm{m} =(0,5;\,0)\,\textrm{m} </math>  | |
| - | + | ||
| - | <math>  | + | |
Nuvarande version
\displaystyle \displaystyle \mathbf{r}_g = \frac{4\textrm{kg}(0,5;\,0,5)\textrm{m}+4\textrm{kg}(0,5;\,-0,5)\textrm{m}}{4\textrm{kg}+4\textrm{kg}} = \frac{4(1,0;\,0)}{8}\textrm{m} =(0,5;\,0)\,\textrm{m}
