The x- and y-components of a displacement are and

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

The x- and y-components of a displacement are Ax=6 mA_x = 6\,\text{m} and Ay=−8 mA_y = -8\,\text{m}. What is A\mathbf{A} in unit-vector notation? (a) 8 ı^−6 ȷ^8\,\mathbf{î} - 6\,\mathbf{ĵ} (b) 6 ı^+8 ȷ^6\,\mathbf{î} + 8\,\mathbf{ĵ} (c) 6 ı^−8 ȷ^6\,\mathbf{î} - 8\,\mathbf{ĵ} (d) −6 ı^−8 ȷ^-6\,\mathbf{î} - 8\,\mathbf{ĵ}

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