Problem based on snells law
Show by Snell's law that if a light ray is bent toward the normal when entering a different medium, then the speed of light is less in that medium. What happens if the speed of light is greater in that medium?
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The potential energy of an object constrained to the x axis is given by U(x) = 8x2 - x4, where U is in joules and x is in meters. Determine the force Fx associated with this potential-energy function. (Use the following as necessary: x.)
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