Post Utme Mountain Top University 2020 Physics Question 40

Practice objective / multiple choice question 40 from the 2020 Post Utme Mountain Top University Physics examination.

Post Utme Mountain Top University 2020 Physics Objective / Multiple Choice
Question 40 POST_UTME_MOUNTAIN_TOP_UNIVERSITY • 2020 • PHYSICS • objective

A vector $\vec{a}$ is given by $\vec{a} = \begin{pmatrix} 2 \ 3 \ 4 \end{pmatrix}$. Find the magnitude of the vector.

Answer Options

Correct Answer A. \|\vec{a}\| = \sqrt{2^2 + 3^2 + 4^2}
B. \|\vec{a}\| = \sqrt{2^2 + 3^2 - 4^2}
C. \|\vec{a}\| = \sqrt{2^2 - 3^2 + 4^2}
D. \|\vec{a}\| = \sqrt{2^2 - 3^2 - 4^2}
Correct Answer
A
Correct Option:
\|\vec{a}\| = \sqrt{2^2 + 3^2 + 4^2}

About This Question

This is Post Utme Mountain Top University 2020 Physics Question 40. It is one of the objective questions from the 2020 Post Utme Mountain Top University Physics examination.

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