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Wize High School Grade 12 Calculus Textbook > Vector Products

Dot Product

5 Activities

For vector A⃗=4.12i^−3.20j^\vec{A} = 4.12 \hat{i} -3.20 \hat{j}
More Dot Product Questions:
A force of F⃗=3i⃗−5j⃗\vec{F}=3\vec{i}-5\vec{j} is applied continuously on four different objects, causing each object to displace along vector. During which displacement does this force do the largest negative work on the objects?
A) Δr⃗=2i⃗−2j⃗\Delta\vec{r}=2\vec{i}-2\vec{j} B) Δr⃗=3i⃗+j⃗\Delta\vec{r}=3\vec{i}+\vec{j} C) Δr⃗=+4i⃗+3j⃗\Delta\vec{r}=+4\vec{i}+3\vec{j} D) Δr⃗=i⃗+4j⃗\Delta\vec{r}=\vec{i}+4\vec{j}