The current in a hair dryer measures 21 amps. The resistance of the hair dryer is 8 ohms. What is the voltage?

The surface tension of water in air is approximately 0.0756 N-m. If theatmospheric pressure is 101 kPa (abs), what is the pressure inside a droplet 0.254mmin diameter? (A) 99.83 kPa (abs) (B) 101.0 kPa (abs) (C) 101.5 kPa (abs) (D) 102.2 kPa (abs)

Which statement accurately classifies helium? A. it is an atom B. It is a mixture C. It is a molecule D. It is a compound

Predict sam's state of wellness if he intentionally isolates himself from other people. A. Sam is not well because he's had the flu for a week. B. Sam is not well because he's tired. C. Sam is not well because he's neglecting his social health D.

A special system is set up in a lab that lets its user select any wavelength between 400nm and 700 nm with constant intensity. This light is directed at a thin glass film (n = 1.53) with a thickness of 350 nm and that is surrounded by air.

When you sneeze, the air in your lungs accelerates from rest to approximately 150km/h in about 0.50 seconds. What is the acceleration, in units of g?

What does the second law of thermodynamics say about entropy apex?

If an oscillation is moving up and down in the y-axis and the wave is traveling to the right in the x-axis, what type of wave is this?

What can result if an earthquake causes a sudden vertical change in the sea floor? A. a tsunami B. liquefaction C. soil creep D. sheet erosion

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

I'm completely lost in physics, the Kinematics and dynamics units ... My exam is coming up ... If a biker travelling at 6.4m/s sees biker B 34m ahead on the road travelling 4.7m/s. How far will biker B get before biker A catches him?