Calculate the area of 1500N object that exerts a pressure of 500Pa. then, calculate the pressure exerted by the same object over twice that area.

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

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 an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false