Vector Addition - Subtraction, Graphical method

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Graphical method of vector addition and subtraction, Displacement, Physics
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@FLO954305 Thanks for your interest. I calculated that Vector C has a magnitude of 10.2 km. To calculate vector C you need to use cosine law. C^2 = 4^2 + 12^2 – 2 x 4 x 12 x cos 55 = 10.2

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Thanks for watching. I am from Turkey.

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@FLO954305 I would like to make some correction:
Thanks for your interest. I calculated that Vector C has a magnitude of 10.2 km. To calculate vector C you need to use cosine law. C^2 = 4^2 + 12^2 – 2 x 4 x 12 x cos 55 = 104.94
C = 10.2

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@hitthefloorzzz I draw it on a paper in scale and measured it.

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@nyimoethat It can used in engineering design.

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i need help with this question. A bus travels with the following (vectors) 89Km, 90degrees, 62Km, 30degrees and then 100Km, 60degrees. Using the graphical and mathematical method, determine the resultant displacement and its direction.

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