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CDS Magnitude — practice questions

2 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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The magnitude of the vector $\vec a = 4\hat i + 0\hat j + 3\hat k$ is:Vector $\vec a$ is directed due north with $|\vec a| = 24$ and vector $\vec b$ is directed due west with $|\ve