Newton’s second law of motion states that an object’s acceleration is equal to
A. the net force on an object divided by its mass.
B. the mass of an object divided by its net force.
C. The net force of an object divided by its speed.
D. the speed of an object divided by its net force.

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.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system