A 020-Kg Particle Moves Along the X Axis Under the Influence

question 23

Multiple Choice

A 0.20-kg particle moves along the x axis under the influence of a conservative force.The potential energy is given by U(x) = (8.0 J/m²) x² + (2.0 J/m⁴) x⁴,
Where x is in coordinate of the particle.If the particle has a speed of 5.0 m/s when it is at x = 1.0 m, its speed when it is at the origin is:

• A)0 m/s
• B)2.5 m/s
• C)5.7 m/s
• D)7.9 m/s
• E)11 m/s

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