Lösning 2.5:8

FörberedandeFysik

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Nuvarande version (4 maj 2018 kl. 13.42) (redigera) (ogör)
 
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}-1\textrm{kg}(0,75;\,-0,75)\textrm{m}}{4\, \textrm{kg} + 4\,\textrm{kg} - 1\,\textrm{kg}} </math>
<math>\displaystyle \mathbf{r_G} = \frac{4\textrm{kg}(0,5;\,0,5)\textrm{m}+4\textrm{kg}(0,5;\,-0,5)\textrm{m}-1\textrm{kg}(0,75;\,-0,75)\textrm{m}}{4\, \textrm{kg} + 4\,\textrm{kg} - 1\,\textrm{kg}} </math>
-
<math>\displaystyle = \frac{(3,25;\,0,75)}{7}\textrm{m} = (0,46;\,0,11)\,\textrm{m} </math> </math>
+
<math>\displaystyle = \frac{(3,25;\,0,75)}{7}\textrm{m} = (0,46;\,0,11)\,\textrm{m} </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}-1\textrm{kg}(0,75;\,-0,75)\textrm{m}}{4\, \textrm{kg} + 4\,\textrm{kg} - 1\,\textrm{kg}}

\displaystyle \displaystyle = \frac{(3,25;\,0,75)}{7}\textrm{m} = (0,46;\,0,11)\,\textrm{m}