Lösning 2.5:8
FörberedandeFysik
(Skillnad mellan versioner)
(Ny sida: <math>r_G=\frac{4kg(0,5;0,5)m+4kg(0,5;-0,5)m-1kg(0,75;-0,75)m}{4kg+4kg-1kg}</math> <br\> <math>=\frac{(3,25;0,75)}{7}m=(0,46;0,11)m</math>) |
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(2 mellanliggande versioner visas inte.) | |||
Rad 1: | Rad 1: | ||
- | <math>r_G=\frac{ | + | <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>=\frac{(3,25;0,75)}{7}m=(0,46;0,11)m</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}