The resultant and the dot product of two vectors vector a vector b is equal to the magnitude - Physics - Motion In A Plane

Question

The resultant and the dot product of two vectors vector a &
vector b is equal to the magnitude of vector a Show that when
vector a is doubled , the new resultant is perpendicular to vector
b

Vipra Mishra · Accepted Answer

Dear Student

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Regards

The resultant and the dot product of two vectors vector a & vector b is equal to the magnitude of vector a. Show that when vector a is doubled , the new resultant is perpendicular to vector b.