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10 cards from this deck
Quantity with both magnitude and direction
A⃗\vec{A}A is the vector; AAA is its magnitude
Displacement, velocity, force
Breaking it into perpendicular components
Must be perpendicular to each other
sx=scosθs_x = s\cos\thetasx=scosθ
sy=ssinθs_y = s\sin\thetasy=ssinθ
s=sx2+sy2s = \sqrt{s_x^2 + s_y^2}s=sx2+sy2
tanθ=sysx\tan\theta = \frac{s_y}{s_x}tanθ=sxsy
Magnitude changes; direction stays the same
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