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The explosion and the 'bang' happen at the same exact time !
But the light from the burst has to travel to you before you can see it, and the sound of the burst has to travel to you before you can hear it.
Light travels much faster than sound ... about 874,000 times faster ( ! ) ... so the light always reaches you before the sound does. You always see the burst before you hear it.
The farther you are away from it, the farther the sound will lag behind the light, and the more time there will be between the sight and the sound. From one mile away, the sound reaches you about 5 seconds late.
Rule of thumb for audio is 1 millisecond per foot, it takes about 30 ms delay (30 ft)before most humans can percieve the delay
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When did fireworks come to America?
Fireworks were first introduced to America in the early 17th century. The first recorded fireworks display in the United States took place in Jamestown, Virginia in 1608.
Would fireworks still look round when watched from the side?
No, fireworks would appear more like elongated ovals or flattened spheres when viewed from the side due to their three-dimensional shape. This distortion is caused by the angle of observation relative to the spherical burst of the fireworks.
When gas and fire come together what makes the explosion?
An explosion is caused by fuel burning very rapidly. The products of combustion expand rapidly and with extreme force, and the result is what we call an explosion. So...if you put gasoline on a fire and it explodes, as it will, the explosion was caused by the fire.
What colors are in the fireworks?
Fireworks can come in a variety of colors, including red, blue, green, yellow, purple, orange, and white. These colors are achieved by adding different chemical compounds to the fireworks that produce different colored light when ignited.
Why is firework called firework?
Fireworks are called fireworks because they were originally designed to produce both light and sound effects using fire. The term "firework" comes from the combination of the words "fire" and "work," referring to the explosive nature of the display.
