In the flash to bang method of distance determination, you multiply the number of seconds by how many meters per second?

In the flash to bang method of distance determination, the correct value to multiply the number of seconds by is 330 meters per second, which closely aligns with the commonly referenced figure of 350 meters per second in some educational contexts. This method is based on the principle that light travels much faster than sound, allowing for a quick estimate of the distance to a sound source, such as an explosion or gunfire.

When observing a flash (like an explosion) and counting the seconds until the sound is heard (the bang), the time it takes for sound to travel can be calculated. Since sound travels through air at roughly 343 meters per second at standard temperature and pressure, the approximation of 350 meters per second provides a simplified and practical means for military personnel and others to effectively gauge distance in the field, particularly in situations where rapid decision-making is crucial, such as in fire support operations.

This method allows the user to multiply the number of seconds counted by this speed to determine the distance in meters. Therefore, the value of 350 provides a good standard for distance estimation in various conditions experienced in military operations, making it the correct answer in this context.