2. A large rock is ejected from a volcano with a speed of 30m/s and at an angle 60. above the horizontal. The rock strikes the side of the volcano at an altitude of 10.0m lower than
its starting point. Calculate the horizontal displacement of the rock.
84.90m

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.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.