As the electrical energy of lightning is discharged into the air,

a. the air cools and condenses rapidly.

c. the air cools and expands rapidly.

b. the air heats and condenses rapidly.

d. the air heats and expands rapidly.

Why would an egg break immediately when it hits the ground?

The table shows the changes in velocity for several different cars. Each change takes place over a 10-second interval. Which cars are either speeding up or slowing down?

Two stones are launched from the top of a tall building. One stone is thrown in a direction 20.0 ∘ above the horizontal with a speed of 16.0 m/s; the other is thrown in a direction 20.0 ∘ below the horizontal with the same speed.

How do the respiratory, circulatory, digestive and nervous systems work together to get essential materials to the cells of the body

What was the average temperature of Earth in 1860?

A stone is thrown vertically upward with an initial speed of 19.3 m/s. Neglect air resistance. The speed of the stone when it is 5.81 m higher is:

A violently rotating column of air is formed around a region of extremely low air pressure above land. Which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane

How to indicate kinetic energy

During induction, a positively charged rod is brought near to but not touching the electroscope. The presence of the charged object above the plate of the electroscope induces charges to move down into the gold leaves, giving the electroscope an

You are operating a boat with a power ventilation system. you have just fueled this boat. how long should you let the ventilation system run before starting the engine?