1 which of the following is not a main idea in quantum, Ask an Expert

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1. Which of the following is not a main idea in quantum theory?

Energy is not continuous, but comes in small, discrete units or packets.
Elementary particles behave both like particles and like waves.
It is physically impossible to know both the exact position and the momentum of a particle at the same time.
The length of an object moving relative to your frame is shorter than the same object at rest in your frame.
None of the above

2. A 2 kg mass is attached to a spring with a spring constant k = 4 N/m and sliding back and forth on a frictionless track. Determine the approximate frequency of the oscillations?

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