Answer:
V = S / t speed of wave
V = 2 * 180 m / 1 sec = 360 m/s speed of sound wave
Answer:
Basically, the main risk is cardiac arrest, caused by the electric current interfering with the normal operation of the heart muscle. Other possible damages are burns due to the electric energy vaporizing the water inside the cells, and nerve damage caused by excessive current through the nerves.
The main hazards of working with electricity are:
- Electric shock and burns from contact with live parts.
- Injury from exposure to arcing, fire from faulty electrical equipment or installations.
Explanation:
Answer:
Gases
Explanation:
The molecules in a gas are spaced very far apart.
Answer:
Approximately 4.5 square miles
Explanation:
(surrounding van Nuys and sepulveda stations) and one measuring approximately 2.85 square miles ( surrounding north Hollywood Station)
