Post Utme Afe Babalola University 2020 Physics Question 25

Practice objective / multiple choice question 25 from the 2020 Post Utme Afe Babalola University Physics examination.

Post Utme Afe Babalola University 2020 Physics Objective / Multiple Choice
Question 25 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2020 • PHYSICS • objective

A vector $\vec{A}$ has a magnitude of $A$ and makes an angle $\theta$ with the positive $x$-axis. If the vector is rotated by an angle $\phi$, what is the new magnitude of the vector?

Answer Options

Correct Answer A. \( A \sqrt{1 + \tan^2 \theta \tan^2 \phi} \)
B. \( A \tan \theta \tan \phi \)
C. \( A \cos \theta \cos \phi \)
D. \( A \sin \theta \sin \phi \)
Correct Answer
A
Correct Option:
\( A \sqrt{1 + \tan^2 \theta \tan^2 \phi} \)

About This Question

This is Post Utme Afe Babalola University 2020 Physics Question 25. It is one of the objective questions from the 2020 Post Utme Afe Babalola University Physics examination.

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