r/Damnthatsinteresting 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

35.4k Upvotes

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8.5k

u/Ruskih 1d ago

For anyone curious, it would take you 11.29 seconds to hit the ground if you were to jump.

3.0k

u/ScramJetMacky 1d ago

You're supposed to show your work. Haha.

4.1k

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

1.3k

u/JulianTheGeometrist 1d ago

Don't forget air resistance!

3.6k

u/TheOriginalNukeGuy 1d ago

If my physics book can ignore air resistance, so can he.

228

u/ben_woah 1d ago

Would a persons weight make a difference?

959

u/xX500_IQXx 1d ago

Weight makes no difference in the acceleration of an object downwards in an ideal, no air resistance scenario. however, it might make a difference for air resistance, along with size

393

u/bigjughotcheese1 1d ago

have you ever heard of galileo

99

u/Sea_Buy9017 1d ago

Neglecting air resistance from being a bigger person? No.

67

u/potato_and_nutella 1d ago

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