the formula h =120t -16 t^2 gives the height h in feet of an object t seconds after it is shot upward from earth's surface with an initial velocity of 120 feet per second. What will the height of the object be after 6 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.