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What is the result when î + 14ĵ is multiplied by √49?(a) 7î + 98ĵ(b) 98î + 14ĵ(c) 7î + 98ĵ(d) (î + 7ĵ)*√49This question was posed to me in semester exam.I would like to ask this question from Motion in a Plane topic in section Motion in a Plane of Physics – Class 11

Answer»

Right option is (a) 7î + 98Ĵ

Explanation: \(\sqrt{49}\) = 7. When î + 14ĵ is multiplied by 7, we get 7î + 98ĵ as the ANSWER. Hence, 7î + 98ĵ is the correct answer.



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