Post Utme Lasu 2024 Physics Question 36

Practice objective / multiple choice question 36 from the 2024 Post Utme Lasu Physics examination.

Post Utme Lasu 2024 Physics Objective / Multiple Choice

Question 36 POST_UTME_LASU • 2024 • PHYSICS • objective

A particle of mass $m$ is moving in a circular orbit of radius $r$ under the influence of a central force given by $F(r) = \frac{k}{r^2}$. If the particle's speed is $v$, what is the total energy of the particle in terms of $k$, $m$, $r$, and $v$?

A. \frac{1}{2}mv^2 + \frac{k}{r}

Correct Answer B. \frac{1}{2}mv^2 - \frac{k}{r}

C. -\frac{1}{2}mv^2 - \frac{k}{r}

D. -\frac{1}{2}mv^2 + \frac{k}{r}

Correct Answer

Correct Option:

\frac{1}{2}mv^2 - \frac{k}{r}

This is Post Utme Lasu 2024 Physics Question 36. It is one of the objective questions from the 2024 Post Utme Lasu Physics examination.

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