Question
What is the unit vector along $\hat{\mathbf{i}}+\hat{\mathbf{j}}$ ?(a) $\frac{\hat{\mathrm{i}}+\hat{\mathrm{j}}}{\sqrt{2}}$(b) $\sqrt{2}(\hat{i}+\hat{j})$(c) $\hat{\mathrm{i}}+\hat{\mathrm{j}}$(d) $\hat{\mathrm{k}}$
Step 1
Step 1: First, we are given a vector $\mathbf{A} = \hat{\mathbf{i}}+\hat{\mathbf{j}}$. Show more…
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