Action reaction forces are in which one of newtons laws

Arock collection comes from which part of earth?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

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.