some kind of square tube or tunnel with a total volume of only 0.07 cubic mile
great wall of china
About 5.7 miles.
5280 feet = 1 mile 30000 feet / 5280 feet = 5.682 miles (rounded to third decimal).
40000 feet = 7.6 miles
2.5 feet high.
great wall of china
A wave that is 1500 meters high is approximately 0.932 miles high.
3,209 feet = 0.608 miles.
Multiply miles by 5,280 to get feet.
There is no new earth and such as strutcture would not be possible.
About 4.2 miles.
About 5.7 miles.
3600 feet is 0.681818182 Miles 1 mile = 5280 feet 36000 feet x 1 mile/5280feet =0.6818 miles
At over 29,000 feet high Mount Everest is nearly 6 miles in height ,5280 feet in a mile
4000 meters is about 13,123.36 feet high or 2.5 miles.
5280 feet = 1 mile 30000 feet / 5280 feet = 5.682 miles (rounded to third decimal).
it takes 7 minutes