An airplane flies 200 km due west from city A to city B and then 265 km in the direction of 29.0° north of west from city B to city C. (a) In straight-line distance, how far is city C from city A?
km

(b) Relative to city A, in what direction is city C?
° north of west

Phase changes are chemical changes. true or false

What is the momentum of a 2 kg object moving at 15 meters per second

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.