The vector that must be added to the vector î - 3ĵ + 2k̂ and î - 3ĵ + 2k̂ so that the resultant vector is a unit vector along the y-axis is - VgyanHub

Question:

6. The vector that must be added to the vector i-3j+2k and 3i+6j-7k so that the resultant vector is a unit vector along the y-axis is

Options :

a) 4î + 2ĵ + 5k̂
b) -4î - 2ĵ + 5k̂
c) 3î + 4ĵ + 5k̂
d) Null vector

Answer :

b) -4î – 2ĵ + 5k̂

Answer Steps :

Solution :-

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