Svar 2.2:2
FörberedandeFysik
(Skillnad mellan versioner)
(Ny sida: '''R'''<math>=[(300\cos50^\circ –400\cos80^\circ )e_x+(300\sin50^\circ +400\sin80^\circ )e_y]N= [(192,84–69,46)e_x+(229,81+393,92)e_y)]N=(123,38e_x+623,73e_y)N</math>) |
|||
(2 mellanliggande versioner visas inte.) | |||
Rad 1: | Rad 1: | ||
- | + | <math>\mathbf R=[(300\cos50^\circ –400\cos80^\circ )\mathbf e_x+(300\sin50^\circ +400\sin80^\circ )\mathbf e_y] \,\mathrm N</math><br\> | |
- | [(192,84–69,46)e_x+(229,81+393,92)e_y)]N=(123, | + | <math>=[(192,84–69,46)\mathbf e_x+(229,81+393,92)\mathbf e_y)] \,\mathrm N=(123,38 \mathbf e_x+623,73 \mathbf e_y) \,\mathrm N</math> |
Nuvarande version
\displaystyle \mathbf R=[(300\cos50^\circ –400\cos80^\circ )\mathbf e_x+(300\sin50^\circ +400\sin80^\circ )\mathbf e_y] \,\mathrm N
\displaystyle =[(192,84–69,46)\mathbf e_x+(229,81+393,92)\mathbf e_y)] \,\mathrm N=(123,38 \mathbf e_x+623,73 \mathbf e_y) \,\mathrm N