How does multiplying a vector by a scalar value of 2pi change the vector?
A.) The vector will change direction and increase in magnitude.
B.) The vector will change direction and decrease in magnitude.
C.) The vector will not change direction but will increase in magnitude.
D.) The vector will not change direction but will decrease in magnitude.
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2 answers

I think its A
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answered by Kakashi 
Why not try it with an actual example to see what happens?
e.g.
u = <3,4> find its magnitude and direction
v = 6u = <18,24> find its magnitude and direction
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answered by Reiny
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