A particle of mass $m$ is moving in a circular orbit of radius $r$ with a speed $v$. If the particle is suddenly subjected to a centripetal force $F_c = k \frac{v^2}{r}$, where $k$ is a cons ant, what is the new speed of the particle?

Question

A particle of mass $m$ is moving in a circular orbit of radius $r$ with a speed $v$. If the particle is suddenly subjected to a centripetal force $F_c = k \frac{v^2}{r}$, where $k$ is a cons	ant, what is the new speed of the particle?

Accepted Answer

$ v = \sqrt{\frac{k m r}{k - 1}} $

Post Utme Coal City University 2023 Physics Question 36

A particle of mass $m$ is moving in a circular orbit of radius $r$ with a speed $v$. If the particle is suddenly subjected to a centripetal force $F_c = k \frac{v^2}{r}$, where $k$ is a cons\tant, what is the new speed of the particle?

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