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A velocity vector 38 degrees below the positive x axis has a y component of -34 m/s, what is the value of its x component?

 Sep 1, 2015
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Use the fact that the tangent of this angle will be given by the y-velocity divided by the x-velocity.

 

tan(38°) = 34/vx

vx = 34/tan(38°) = 43.52 m/s

 Sep 1, 2015

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