What is the process that occurs when water vapor is cooled and changes from a gas to a liquid

Which statement explains the similarity between momentum and kinetic energy of an object? Both are inversely proportional to the mass and velocity of the object. B. Both increase as the mass and velocity increase. C.

What is true for two pieces of iron at the same temperature? A. The average kinetic energy of their particles is the same. B. The total kinetic energy of their particles is equal. C. Heat flows from the larger object to the smaller object. D.

A 6,600 kg train car moving at + 2.0 m/s bumps into and locks together with one of mass 5,400 kg moving at - 3.0 m/s. What is their final velocity? A.) - 1.0 m/s B.) + 2.5 m/s C.) - 0.25 m/s D.) + 0.50 m/s

Which of the following statements regarding the moon and Earth is correct? A. Earth and the moon are nearly the same age. B. Earth and the moon have nearly the same mass. C. Earth is tidally locked, while the moon spins on its axis. D.

Which is about 30 times as far from the sun as our own planet?

The current in a hair dryer measures 15 amps. The resistance of the hair dryer is 11 ohms. What is the voltage?

Long cylindrical steel rods (rho = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8 cm diameter are heat-treated by drawing them at a velocity of 2 m/min through an oven maintained at 900°C.

Which component is used to measure the current in a circuit

A 7.1 resistor and a 4.8 resistor are connected in series with a battery. the potential difference across the 4.8 resistor is measured as 12 v. find the potential difference across the battery. v

The force needed to accelerate a stationary 2000 racing car to a speed of 144 km/h in a distance of 80 meters