the resultant of two vectors at an angle 150° is 10 units and is perpendicular to one vector. the magnitude of the smaller vector is ?

Ans= 10√3

vector with greater magnitude = Avector with lesser magnitude = BA2+B2=100because resultant vector is perpendicular to the smaller one.Asin (180-150) = 10A2 = 10A = 20Acos(30) = B20×32 = BB = 103 units.

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