Question
(a) What's the magnitude of $\hat{\imath}+\hat{\jmath} ?$ (b) What angle does it make with the $x$ -axis?
Step 1
The magnitude of a vector is given by the square root of the sum of the squares of its components. In this case, the components are 1 (for $\hat{\imath}$) and 1 (for $\hat{\jmath}$). So, the magnitude is $\sqrt{1^2 + 1^2}$. Show more…
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