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| Both sides previous revision Previous revision | |||
| 183_notes:examples:vectordecomposition [2014/07/10 19:08] – [Solution] caballero | 183_notes:examples:vectordecomposition [2014/07/10 19:08] (current) – [Solution] caballero | ||
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| The $y$-component is the adjacent side and is negative. Hence, | The $y$-component is the adjacent side and is negative. Hence, | ||
| - | $$ r_y = -|\vec{r}| \cos(\theta) = -(5\:m) \cos(35^{\circ}) = 4.10\:m$$ | + | $$ r_y = -|\vec{r}| \cos(\theta) = -(5\:m) \cos(35^{\circ}) = -4.10\:m$$ |
| where the minus sign was introduced because the measure of the angle was less than 90$^{\circ}$. | where the minus sign was introduced because the measure of the angle was less than 90$^{\circ}$. | ||