The Potential Energy of an Object Is Given by U(x)=

question 55

Multiple Choice

The potential energy of an object is given by U(x) = x⁴ - x²,where U is measured in joules and x is measured in meters.At which position is the object in unstable equilibrium?

• A)only at 0
• B)only at 0.707 m
• C)only at -0.707 m
• D)at both +0.707 m and -0.707 m
• E)There isn't a location where the object is in unstable equilibrium.

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