Physics

Problem

Questions 17-18 refer to the following graph, which represents a hypothetical potential energy curve for a particle of mass

m

. ![](https://storage.googleapis.com/diraq-contents/question-bank/question-images/60e961c7ef1f/2025_11_20_4fb16085cfb86337503bg-04.jpg) 17. If the particle is released from rest at position

\mathrm{r}_{\mathrm{o}}

, its speed at position

2 \mathrm{r}_{\mathrm{o}}

is most nearly (A)

\sqrt{\frac{8 U_{0}}{m}}

(B)

\sqrt{\frac{6 \mathrm{U}_{0}}{\mathrm{~m}}}

(C)

\sqrt{\frac{4 U_{0}}{m}}

(D)

\sqrt{\frac{2 U_{0}}{m}}

(E)

\sqrt{\frac{\mathrm{U}_{0}}{\mathrm{~m}}}

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