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4 April, 18:56

Find a unit vector that has the same direction as the given vector. - 3i 7j

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  1. 4 April, 19:17
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    The unit vector has the same direction of the given vector but its magnitude is 1.

    To find the unit vector divide by the magnitude of the given vector.

    Vector - 3i + 7j

    Magnitude = |-3i + 7j| = √ (3^2 + 7^2) = √ (9 + 49) = √58 = 7.62

    Then the unit vector is: (-3/√58) i + (7/√58) j
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