Asked by Philip
find by drawing and by calculation the resultant of two vectors 3units and 4units inclined to each other at 30°
Answers
Answered by
oobleck
if you let the vectors be
u = <4,0> and v = <3√3/2,3/2> then
u+v = <4+3√3/2,3/2>
|u+v|^2 = 25+12√3
the angle θ between u+v and v has
tanθ = 3/(8+3√3)
u = <4,0> and v = <3√3/2,3/2> then
u+v = <4+3√3/2,3/2>
|u+v|^2 = 25+12√3
the angle θ between u+v and v has
tanθ = 3/(8+3√3)
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