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Find the magnitude of vector A=3i+2j-6k and a unit vector in the direction of A |
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Answer» magnitude = 7 unit vector = 3/7 i + 2/7 J - 6/7 K Explanation: magnitude = sqrt(3^2 + 2^2 + 6^2) = sqrt(9+4+36) = sqrt (49) = 7 unit vector = vector / magnitude = 3/7 i + 2/7 j - 6/7 k |
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