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?