What is the speed of a ball thrown that is dropped that falls for 0.5 seconds and how far does the ball fall? a. 9.8 m/s, 9.8 m
b. 4.9 m/s, 1.23 m
c. 0 m/s, 0 m
d. 9.8 m/s, 1.8 m

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.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

You can decrease the resistance of a length of wire by