glisintull glisintull

08-06-2017
Mathematics

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If someone is good at Precalculus or Physics, please help me solve this.

If someone is good at Precalculus or Physics please help me solve this class=

Respuesta :

mreijepatmat mreijepatmat

09-06-2017

Magnitude of vector V =√(3²+7²) = √58

Hence: U= -3/√58 - 7/√58

OR multiply numerator and denominator by √58

U = - (3√58)/58 i - (7√58)/58 j

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