Asked by George
Find all vectors v in 2 dimensions having ||v ||=5 where the i -component of v is 3i
vectors:
vectors:
Answers
Answered by
Reiny
let the vector be <3,y>
then 3^2 + y^2 = 5^2
y = ±4
so our vectors having a magnitude of 5 of the form <3,y>
are <3,4> and <3,-4>
then 3^2 + y^2 = 5^2
y = ±4
so our vectors having a magnitude of 5 of the form <3,y>
are <3,4> and <3,-4>
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