Physics, asked by moundarquiz5sanyafi, 1 year ago

find unit vector parllel to resuktant of vector a= 2i^ +3j^+k^ andvector b=-2i^+3j^-5k

Answers

Answered by abhi178
3
resultant R^ =(2 i + 3 j + k ) +( -2 i + 3 j -5k ) = 6 j -4 k

now ,
along R a unit vector = +_ R/|R|
|R| =√(6^2 +4^2) =2√13

now ,
unit vector along R =+_(6 j -4k)/2√13
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