Question

if p bar and q bar are in anti parallel where theta is 180° sin180°=0,cos180°=-1​

Answer 1

Profile photo for Beatriz Gutiérrez P. Beatriz Gutiérrez P, Master ... Consider a and b be two vectors that are anti parallel. implies a=-b and angle between them is 180° ... Similarly a*b=|a|*|b|*sin(180°) n=0 (zero vector ).

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Answer 2

Answer:

n will be 0

Explanation:

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