Assignment:
Question 1. The Moon is centripetally accelerating towards the Earth. Explain why it is not getting closer to the Earth.
Question 2. Why is it easier to hold a 10lb weight next to your body instead of with your arm outstretched?
Question 3. When you design a building in an earthquake region, how should the natural frequencies of oscillation of the building compare to the typical earthquake frequencies and why? Explain.
Question 4. What is the purpose of frets on a guitar? In terms of frequency of the vibration of the strings; explain their use.
Question 5. When you inhale helium and speak, your voice becomes far higher in pitch.
Question 6. You hold a tuning fork in front of you in a stationary position. Another tuning work of the same frequency is moving toward you at a fair speed. Explain what you hear and why.