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hartmaaj95
17.09.2019 •
Mathematics
Vector a has a magnitude of 6.00 units and is directed at 60° to the positive x-axis. vector b has a magnitude of 6.00 units and is directed at 120° to the positive x-axis. find the magnitude and direction of vector c such that a+b+c=0. place the three vectors so that one begins where the previous ends.what do you observe?
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Ответ:
C has a magnitud of 10.4 units and is directed 270° from the positive x-axis
Step-by-step explanation:
As it shows on the attached picture, the xA and xB have equal magnitudes but opposite directions, therefore they cancel eachother out in the x-axis.
However, the yA and yB are equal in magnitud, but have the same direction. So, the create a total vector the is completely on the y-axis and it's magnitude is 2*(sin(60°)*6)=10.4 units.
In order for C to cancel this vector, it's magnitude also needs to be 10.4 units, but pointing the other way. Therefore, the angle needs to be 270° from the positive x-axis.
Ответ:
The answer will be 3.33
Hope this Help:)