just curious if anybody knows
2006-06-30 08:32:12 · 11 answers · asked by Anonymous in Science & Mathematics ➔ Other - Science
It is a very small percentage. Even if you are just considering America(which, I'm guessing is a much higher concentration than any other nation) & the parking space here, it probably is only around .0075%. Factoring in roads & other paved surfaces it still is well below .1%, I would guess.
2006-06-30 09:24:13 · answer #1 · answered by Wied 3 · 0⤊ 0⤋
According to the reference given there are between 500-700million vehicles on the world's roads. According to my second reference, parking spot size is 9 ft. by 18 ft. with a 24 ft backup or a total of approx 250 sq ft per parked car. So if we go for the larger number to allow for trucks we have a total vehicle area of approx 250*700 million sq ft=175000 million sq ft. This is equal to approx 6250 sq miles or a square roughly 80miles by 80miles assuming they all parked at once. Doesn't seem too big really, but it'd be a bugger to get a car out of the middle and it could take a while to find a parking spot if you were the last one there.
The diameter of the earth is approximately 8000 miles and the surface area is of a sphere is 4*pi*R^2 therefore giving the world a surface area of approximately 20 million sq miles or approx 550000000000000 square feet.
So your world car park is approximately 6250/20000000=0.0003 or 0.03% of the total surface area.
Good question, I hope it wasn't a secret homework question! However, I've not checked my maths. I'll let you do that, I'm off to park my car before somebody nicks my parking space.
2006-06-30 10:00:17 · answer #2 · answered by Anonymous · 0⤊ 0⤋
I don't know about parking spaces, but I recently found out that my suspicions were correct. There ARE more cars in the US than there are people to drive them.
2006-06-30 08:36:35 · answer #3 · answered by correrafan 7 · 0⤊ 0⤋
considering 3/4 of the world is covered by water and then there still is a good deal of uninhabited land, i would say somewhere along the lines of only .005% or so
2006-06-30 08:36:59 · answer #4 · answered by Newtibourne 2 · 0⤊ 0⤋
To build paradise put up a parking lot
2006-06-30 08:35:59 · answer #5 · answered by Gustove 3 · 0⤊ 0⤋
There's no way of knowing for sure, but it's an extremely small percentage.
2006-06-30 08:36:22 · answer #6 · answered by Bk 2 · 0⤊ 0⤋
One less than needed on the day your late for work.
2006-06-30 11:38:51 · answer #7 · answered by leahcimnotlad 1 · 0⤊ 0⤋
one percent less than the amount of cars... i can never find a parking spot.....
2006-06-30 08:35:45 · answer #8 · answered by Anonymous · 0⤊ 0⤋
for real about 10%
2006-06-30 08:35:39 · answer #9 · answered by angelhernandezjose 4 · 0⤊ 0⤋
It's very minuscule
2006-06-30 08:35:16 · answer #10 · answered by Jersey Girl 7 · 0⤊ 0⤋