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View Full Version : I had one of my students ask me a question....


pr_capone
01-27-2008, 10:06 AM
... and I did not know the answer. I cannot find the answer either.

If you were to take off in a super fast jet (like the concord), from New York, the second the sun disappeared on the horizon and headed full steam ahead toward California.

Would you see the sun come back up?

milkman
01-27-2008, 10:07 AM
Do you have a window seat?

Simplex3
01-27-2008, 10:10 AM
... and I did not know the answer. I cannot find the answer either.

If you were to take off in a super fast jet (like the concord), from New York, the second the sun disappeared on the horizon and headed full steam ahead toward California.

Would you see the sun come back up?
If the jet in question is capable of circumnavigating the globe in less than 24 hours at the latitude you're flying at, then you would see the sun rise in the West by chasing it.

Demonpenz
01-27-2008, 10:10 AM
doesn't even need to a concord it could be a normal jet

Hog's Gone Fishin
01-27-2008, 10:12 AM
Jeez, You can't be serious!

chagrin
01-27-2008, 10:14 AM
What's the name of the pilot?

pr_capone
01-27-2008, 10:14 AM
Jeez, You can't be serious!

Why not? I would rather give the kid a correct answer vs some bs answer off the top of my head.

pr_capone
01-27-2008, 10:15 AM
What's the name of the pilot?

Jimmy McDingleberry. He learned to fly in the Navy but that was during Nam. He occasionally has flashbacks but the last one was 12 years ago.

xbarretx
01-27-2008, 10:20 AM
well, assuming sundown was at 7ish in NY that means that the time zone difference from PST to EST is four hours so the avg speed of the concorde is 1334 mph (ish) and i the rough distance from NY to cali (JFK to SAN) is 2403 statute miles. as such... the concord could made that trip in just under two hours.

so you leave at 7 in NY
flight time 1:45 (ish)
arrive at 8:45 (EST) or 4:45 (PST)
thus the sun would be up still so yes you would see the sun.

its kinda like when you take transatlantic flights into heathrow. you can see the change in night and day.

rad
01-27-2008, 10:22 AM
The speed of sound is slower than the speed of light. Light from the sun takes something like 8 min to reach Earths surface so---maybe.

Fat Elvis
01-27-2008, 10:27 AM
You simply have to travel faster than the rotational speed of the earth, and that will vary depending on where you are located.

Near the equator, you would have to fly in excess of 1040 mph in order to see the sun again. (The circumference of the earth is ~25,000 miles at the equator and takes 24 hours for a complete revolution.)

As you move either farther north or south, this number would decrease the further you moved away from the equator. Assuming (probably incorrectly) that NY is 45 degrees north (or halfway between the equator and north pole) you would have to travel ~700 mph to see the sun again.

dj56dt58
01-27-2008, 10:28 AM
you wouldnt even need to make it to ca...

tiptap
01-27-2008, 10:31 AM
It takes 24 hours for the 24,500 miles diameter of the Equator to make one spin. That is opposed to the sun either being visible all the time or not at all for 24 hours at the soltice at the poles. So Simplex3 is the more general solution and xbarrextx seems to have gotten the specifics of the particular latitude problem if going from New York to LA. And since the Concorde can go faster than 1000 miles an hour it is true at all latitudes.

Hog's Gone Fishin
01-27-2008, 10:34 AM
It takes 24 hours for the 24,500 miles diameter of the Equator to make one spin. That is opposed to the sun either being visible all the time or not at all for 24 hours at the soltice at the poles. So Simplex3 is the more general solution and xbarrextx seems to have gotten the specifics of the particular latitude problem if going from New York to LA. And since the Concorde can go faster than 1000 miles an hour it is true at all latitudes.


Yep. Exactly.

xbarretx
01-27-2008, 10:36 AM
It takes 24 hours for the 24,500 miles diameter of the Equator to make one spin. That is opposed to the sun either being visible all the time or not at all for 24 hours at the soltice at the poles. So Simplex3 is the more general solution and xbarrextx seems to have gotten the specifics of the particular latitude problem if going from New York to LA. And since the Concorde can go faster than 1000 miles an hour it is true at all latitudes.

thanks man :) im a math major getting a Business Admin degree. so i wanted to keep my answer as simple as possible b/c i usually make things more complicated then they need to be :toast:

Simplex3
01-27-2008, 10:37 AM
Oh, and can you tell your student he's a moron for us? He may or may not be, but according to Kirstie we're all just a bunch of assholes. I don't want to let her down.

JBucc
01-27-2008, 10:40 AM
Tell the little bastard to show some patience and wait a day if he wants to see the ****ing sun so bad.

smittysbar
01-27-2008, 10:41 AM
You ****ers are smart lol

milkman
01-27-2008, 10:41 AM
thanks man :) im a math major getting a Business Admin degree. so i wanted to keep my answer as simple as possible b/c i usually make things more complicated then they need to be :toast:

So can you compute how many 8-8, 9-7 seasons it will take for Clark Hunt to realize that Herman ****ing Edwards is a useless bastard?

Simplex3
01-27-2008, 10:42 AM
Tell the little bastard to show some patience and wait a day if he wants to see the ****ing sun so bad.
LMAO

Tell him you're going to fail him because of all the greenhouse gases he expended just to test this retarded theory.

Simplex3
01-27-2008, 10:43 AM
So can you compute how many 8-8, 9-7 seasons it will take for Clark Hunt to realize that Herman ****ing Edwards is a useless bastard?
http://home.hawaii.rr.com/lizajane999/glowing-infinity-sign.jpg

smittysbar
01-27-2008, 10:46 AM
http://home.hawaii.rr.com/lizajane999/glowing-infinity-sign.jpg


:LOL::DLMAO:clap::thumb:LMAO

Thig Lyfe
01-27-2008, 10:46 AM
http://home.hawaii.rr.com/lizajane999/glowing-infinity-sign.jpg

What does Livestrong have to do with it?

Simplex3
01-27-2008, 10:48 AM
What does Livestrong have to do with it?
Neither Lance or the Chiefs have any balls.

milkman
01-27-2008, 10:49 AM
http://home.hawaii.rr.com/lizajane999/glowing-infinity-sign.jpg

To infinity and beyond!

http://images.easyart.com/i/prints/rw/lg/1/8/Disney-Buzz-Lightyear-and-Woody-181937.jpg

Simplex3
01-27-2008, 10:51 AM
To infinity and beyond!
Thanks for making the thread gay, GOATmilk.

acesn8s
01-27-2008, 10:58 AM
You could also see it in Moscow, fly over the north pole and see it again in the US. Unless you choose Alaska at which time, depending on what part of Alaska you choose, you may need to wait weeks or even months to see it set again.

milkman
01-27-2008, 11:02 AM
Thanks for making the thread gay, GOATmilk.

My work here is done.

xbarretx
01-27-2008, 11:32 AM
So can you compute how many 8-8, 9-7 seasons it will take for Clark Hunt to realize that Herman ****ing Edwards is a useless bastard?

LMAO, ill stick with simplex's answer b/c i really dotn want to scare the thread with the solution to that problem ;)

ChiefaRoo
01-27-2008, 12:50 PM
... and I did not know the answer. I cannot find the answer either.

If you were to take off in a super fast jet (like the concord), from New York, the second the sun disappeared on the horizon and headed full steam ahead toward California.


Would you see the sun come back up?

YOU TEACH CHILDREN?! Good God, the Chinese ARE going to win...

Demonpenz
01-27-2008, 12:57 PM
china has already won the general lee will be a honda accord by next year

ChiefaRoo
01-27-2008, 12:58 PM
china has already won the general lee will be a honda accord by next year

That's the Japanese you chimp.

ChiefaRoo
01-27-2008, 01:03 PM
Ok, I've got a serious question for Tip and Simplex and the rest of you.

If you left Hong Kong in the early evening flying at a cruising speed of 600MPH at 37,000ft and flew directly to Auckland NZ all night when the moon is roughly 1/2 full as you took off from Hong Kong. Would the moon set and then rise again as you approached and then crossed over the equator? I thought I saw this happen once on this very flight.

ChiefaRoo
01-27-2008, 01:44 PM
Ok, I've got a serious question for Tip and Simplex and the rest of you.

If you left Hong Kong in the early evening flying at a cruising speed of 600MPH at 37,000ft and flew directly to Auckland NZ all night when the moon is roughly 1/2 full as you took off from Hong Kong. Would the moon set and then rise again as you approached and then crossed over the equator. I thought I saw this happen once on a this very flight.

As we speak TipTap is laying out a three dimensional map of the Earth and moon based on their overall relationship to the sun. Don't forget to figure in the time of year Tip.

Simplex3
01-27-2008, 02:34 PM
As we speak TipTap is laying out a three dimensional map of the Earth and moon based on their overall relationship to the sun. Don't forget to figure in the time of year Tip.
One guess what I was doing.

ChiefaRoo
01-27-2008, 02:38 PM
One guess what I was doing.

I don't remember the exact month I was traveling but it was winter in the Northern Hemisphere. I'd say around Jan. or Feb.

Simplex3
01-27-2008, 02:40 PM
I don't remember the exact month I was traveling but it was winter in the Northern Hemisphere. I'd say around Jan. or Feb.
Wrong answer.

Want a hint?

4321

ChiefaRoo
01-27-2008, 02:41 PM
Wrong answer.

Want a hint?

4321

Hit me. I'm the boss, need the info.

xbarretx
01-27-2008, 02:44 PM
Hit me. I'm the boss, need the info.

let me tell you a story about a man named SHHHH

http://www.die-grenze.com/foucault_80/Dr_Evil1.jpg

ChiefaRoo
01-27-2008, 02:47 PM
"Listen, all I'm asking is will the friggin moon set and then rise again if I take a flight from friggin Hong Kong and fly to friggin Auckland?" "Apparently my Simplextic colleague has no idea" "Remind me again, what do I pay you people for?" "I'm the boss, need the info"

xbarretx
01-27-2008, 02:49 PM
"Listen, all I'm asking is will the friggin moon set and then rise again if I take a flight from friggin Hong Kong and fly to friggin Auckland." "Apparently my Simplextic colleague has no idea" "Remind me again, what do I pay you people for?" "I'm the boss, need the info"

well I wanted was SHARKS WITH FRICKEN LAZER BEAMS ATTACHED TO THERE HEADS! Is that too much to ask!?

ChiefaRoo
01-27-2008, 02:55 PM
well I wanted was SHARKS WITH FRICKEN LAZER BEAMS ATTACHED TO THERE HEADS! Is that too much to ask!?

exactly.

Silock
01-27-2008, 05:39 PM
The speed of sound is slower than the speed of light. Light from the sun takes something like 8 min to reach Earths surface so---maybe.
:LOL:

Extra Point
01-27-2008, 06:40 PM
You'd would't see the sun before the impact. The classroom's populants would be choked to death when the light-vapor constituents get sucked into the sun's gravitational pull.

Just tell the kids to put themselves below their desks. That way, they can be assured that they'll never see the sun. Duck and Cover goes a long way.

Simplex3
01-28-2008, 06:17 AM
Bump.

Mr. Plow
01-28-2008, 07:58 AM
So if you continued to fly west, would you be in an never ending day?

tiptap
01-28-2008, 08:24 AM
As we speak TipTap is laying out a three dimensional map of the Earth and moon based on their overall relationship to the sun. Don't forget to figure in the time of year Tip.

So you were 11 to 12 hours in the air traveling from the N. Hemisphere to the S. Hemisphere. You had a easterly vector moving to New Zealand from S. China. I don't see how you saw two lunar western settings in that frame but I could see how you saw it set and rise going from 22 degrees N to 38 degrees S. with the movement to the east thrown in that moved you toward the moon rising.

Dartgod
01-28-2008, 09:58 AM
Sunset at sea level and sunset at 40,000 feet are at different times, so you'd have to factor that in.