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10 questions from this quiz
Magnitude and direction
Head to tail
From tail of first to head of last
5 units
Rx=Ax+BxR_x = A_x + B_xRx=Ax+Bx
Ry=Ay+ByR_y = A_y + B_yRy=Ay+By
(4,2)(4, 2)(4,2)
∣R∣=Rx2+Ry2|\mathbf{R}| = \sqrt{R_x^2 + R_y^2}∣R∣=Rx2+Ry2
θ=tan−1(RyRx)\theta = \tan^{-1}\left(\frac{R_y}{R_x}\right)θ=tan−1(RxRy)
Algebraic method
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