Lightning is an example of what phenomenon?

a release of a large amount of energy

an absorption of a large amount of energy

a natural electric circuit

a natural electric current

The energy content of a certain food is to be determined in a bomb calorimeter that contains 3 kg of water by burning a 2-g sample of it in the presence of 100 g of air in the reaction chamber. If the water temperature rises by 3.

Anger is to angry as fire is to what

C. Assume your lungs have a capacity (volume) of 0.5 L at the water surface. As you dive, the water pressure increases to twice its surface value. What is your lung capacity at this location?

A well-insulated turbine operating at steady state develops 23 mw of power for a steam flow rate of 40 kg/s. the steam enters at 360°c with a velocity of 35 m / s and exits as saturated vapor at 0.06 bar with a velocity of 120 m / s.

Caculate the heat realeased as a 25.0 g gas sample condenses if the heat vaporation is 2000 j/g

Why do substances with free electrons make the best conductors.

Which of the following is evidence that groundwater causes erosion and deposition?

Which project involved the goal of orbiting a manned spacecraft around earth? A. Mercury B. Apollo C. Gemini D. Skylab

Which type of listening response includes the use of head nods, facial expressions, and short utterances such as "uh-huh" that signal your interest to the speaker?

During eccentric muscle contraction, the muscle