The magnitude of a given vector with endpoints 4 - 40 and - 2 - 20 must be
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0
Answer:
sorry I didn't understand the situation
Answered by
1
Answer:
2√10
Explanation:
r bar = r2bar - r1bar
= (-2 i^-2j^+0k^)-(4i^-4j^+0k^)
=> r bar = -6i^ + 2j^ +0k^
IrI = √ (-6)^2 + (2)^2 + 0^2
= √36+4
= √40
= 2√10
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