r/Damnthatsinteresting • u/rapatakaz • 1d ago

Video China is completing the construction of the tallest bridge in the world, which runs through the Grand Huajiang Canyon. The 2,890-meter-long steel suspension bridge rises 625 meters above sea level

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u/ScramJetMacky 1d ago

You're supposed to show your work. Haha.

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u/Ruskih 1d ago

d = 1/2 gt2

d= distance(625m) g=gravity(9.8m/s2)
t=time

2d = gt2

2d/g = r2

t = √2d/g

t = √[2(625)/9.8]

t = 11.29

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u/ben_woah 1d ago

Would a persons weight make a difference?

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u/potato_and_nutella 1d ago

Nope, and he isn’t counting air resistance so size doesn’t matter either