Vectors in Two Dimensions (G11)
question 1 of 12
Grade: Eleven - G11
Q: If \(\vec{p} = 2\vec{i} + 3\vec{j}\) and \(\vec{q} = 4\vec{i} - \vec{j}\), what is the dot product \(\vec{p} \cdot \vec{q}\)?
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Ultrasound waves are used in prenatal scanning to create images of the fetus. Telephones use sound, optical fibres use light, and killing cancerous cells uses radiation.
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