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phy131studiof15:lectures:chapter3 [2015/08/31 08:47] mdawber [Vectors - Multiplication by a scalar] |
phy131studiof15:lectures:chapter3 [2015/08/31 09:05] mdawber [Vectors - Components] |
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| {{vectorcomponentadd.png}} | {{vectorcomponentadd.png}} | ||
| + | The angles $\theta_{1}$ and $\theta_{2}$ are defined with respect to the positive $x$ axis, ie. $\theta_{1}$ is negative and $\theta_{2}$ is positive. | ||
| | $v_{1x}=v_{1}\cos\theta_{1}$ <html>   </html> | $v_{2x}=v_{2}\cos\theta_{2}$ <html>   </html> | | | $v_{1x}=v_{1}\cos\theta_{1}$ <html>   </html> | $v_{2x}=v_{2}\cos\theta_{2}$ <html>   </html> | | ||
