Question
Classify the following measures as scalar and vector:
50m/ sec2.
50m/ sec2.
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Which elements of N are invertible for the operation *?
$(2\hat{\text{i}}+6\hat{\text{j}}+27\hat{\text{k)}}\times(\hat{\text{i}}+3\hat{\text{j}}+\text{p}\hat{\text{k}})=\vec{0}.$