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Eleven times unit vector along X added to 7 times unit vector along Y gives ______(a) 11î + 7ĵ(b) 7î + 11ĵ(c) 7î + 7ĵ(d) 11î + 11ĵThis question was posed to me in a job interview.Enquiry is from Motion in a Plane in section Motion in a Plane of Physics – Class 11

Answer» RIGHT option is (a) 11î + 7Ĵ

Explanation: Unit vector along X is î and that along Y is ĵ. Hence, ELEVEN times unit vector along X added to 7 times unit vector along Y will give 11î + 7ĵ.


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