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how do they know wha

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how do they get shapes

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how long is the time between the flash and the sound ?

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how long is the time between the flash and the sound ?

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what mathmatics are used in creating the design of the fire works

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what mathmatics are used in creating the design of the fire works

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Do they use math to calculate trajectory, and how much of what fireworks ingredients?

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daaab on it

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why are the the same shape - https://www.washingtonpost.com/posttv/national/health-science/how-fireworks-get-their-cool-shapes/2015/07/02/f37010a4-20e9-11e5-a135-935065bc30d0_video.html

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What angle do the fireworks get launched at?

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What angle do the fireworks get launched at?

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whats the average height of a firework - http://www.pyroinnovations.com/display-fireworks-facts.html

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how do they know at what dista

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how is the trgectory angkled

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How do they know it will blow up the way they want it to?

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how do they make the fireworks all symmetrical or organized.

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How do they become big

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How do they time the explosion?

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How do they able to get into different shapes

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Does the height and speed

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Does the height and speed it travels affect its duration

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shell casings have shell casings?
p

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How long does it take to make fireworks?

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How do they get different colors -https://www.youtube.com/watch?v=kTGr_TrWed4

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How do they figure out how high the fireworks will go

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How do they get their different Shapes?

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How far away does the fireworks have to be for the people watching to be safe ?

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How do they get different colors

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why does the size of the shell determine how big the firework will be?

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How do they make the fireworks a specific shape and a specific diameter?

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how fast do the fireworkdgo?

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How many seconds do they last?

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how do they get them to be different sizes