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Displacemtn vector vecA points due east ...

Displacemtn vector `vecA` points due east and has a magnitude of `2.00km.` Displacement vector `vecB points due north and has a magnitude of `3.75Km.` Displacement vector `vecC points due west and has a magnitude of `2.50km.` Displacement vector `vecD` points due south and has a magnitude of `3.00 km.` Find the magnitude and direction (relative to due west) of the resultant vector `vecA+ vecB+ vecC + vecD.`

A

`0.90km, 56^(@)` north of west

B

`0.50km, 34 ^(@)` south of west

C

`0.75 k, 48^(@)` south of west

D

`1.25 km, 44 ^(@)` north of west

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The correct Answer is:
A
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