Questions
What is the angle between and ? What is the ratio of magnitude of two vectors?
a
90° and 0.6
b
120° and 0.6
c
180° and 0.6
d
180° and 1.6
detailed solution
Correct option is C
As both the vectors are in the opposite direction of each other therefore, both the vectors are having opposite signs i.e. 3a is positive and -5a is negative, so the difference of angle between them is:=180°Magnitude of the positive vector:=3 aMagnitude of the negative vector:=5 aTherefore, the two vectors ratio is:=3a5a=35=0.6Hence, the ratio of the magnitude of both the vectors is 0.6.Talk to our academic expert!
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