Post Utme Uniport 2017 Physics Question 16

Practice objective / multiple choice question 16 from the 2017 Post Utme Uniport Physics examination.

Post Utme Uniport 2017 Physics Objective / Multiple Choice

Question 16 POST_UTME_UNIPORT • 2017 • 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 angular momentum of the particle is $L = 2mvr$, find the total energy of the particle.

A. E = -\frac{k}{2r}

Correct Answer B. E = -\frac{k}{r}

C. E = \frac{k}{2r}

D. E = \frac{k}{r}

Correct Answer

Correct Option:

E = -\frac{k}{r}

This is Post Utme Uniport 2017 Physics Question 16. It is one of the objective questions from the 2017 Post Utme Uniport Physics examination.

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