What is the least number of transformers that are required between generation at a power plant and delivery at a customer's home?

Determine the maximum r-value of the polar equation r =3+3 cos 0

Awalk up the phase change graph worksheet

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.