# Eleven times unit vector along X added to 7 times unit vector along Y gives ______

Category: QuestionsEleven times unit vector along X added to 7 times unit vector along Y gives ______
Editor">Editor Staff asked 1 year ago

Eleven times unit vector along X added to 7 times unit vector along Y gives ______

(a) 11î + 7&jcirc;

(b) 7î + 11&jcirc;

(c) 7î + 7&jcirc;

(d) 11î + 11&jcirc;

This 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
Select the correct answer from above options
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Editor">Editor Staff answered 1 year ago

Right option is (a) 11î + 7&jcirc;

Explanation: Unit vector along X is î and that along Y is &jcirc;. Hence, eleven times unit vector along X added to 7 times unit vector along Y will give 11î + 7&jcirc;.

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