PLEASE show work.. refer to the following graph, which represents a hypothetical

Question

PLEASE show work..

refer to the following graph, which represents a hypothetical potential energy curve for a particle of mass m. If the particle is released from rest at position r0, its speed at position 2r0 is most nearly root 8U0 / m root 6U0 / m root 4U0 / m root 2U0 / m root U0 / m If the potential energy function is given by U(r) = br-3/2 + c, where b and c are constants, which of the following is an expression for the force on the particle? 3b / 2 r-5/2 3b / 2 r-1/2 3 / 2 r-1/2 2br-1/2 + cr 2b / 5 r-5/2 + cr

Explanation / Answer

please give rathing (lifesever) first to me
answer)d

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