What are the white trailers you see behind airplanes in a blue sky?

What are the white trailers you see behind airplanes in a blue sky?
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If you were in midflight and a terrorist tried to bomb the plane, or tried to attack or harm people, what role might you play?

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Has anyone ever had a bad experience on an airplane?

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Which of the following statements is true when we see ‘rainbow’ ? (1) We face sun and raindrops (2) The Sun remains behind us and we face raindrops (3) In light rainfall, we face Sun (4) The sky remains clear and the sun is at lower position in the sky

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To an astronaut in the spacecraft, the sky colour appears to be (a) Blue (b) White (c) Black (d) Orange red

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Blue of the sky is due to the (a) Refraction of white light by the atmosphere (b) Reflection of white light by the earth (c) Scattering of white light by molecules of air (d) Interference of white light

Description : Blue of the sky is due to the (a) Refraction of white light by the atmosphere (b) Reflection of white light by the earth (c) Scattering of white light by molecules of air (d) Interference of white light

Last Answer : Ans:(c)

The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Description : The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Last Answer : (3) The atmosphere scatters blue colour more than the others Explanation: Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by ... the atmosphere (approximately 25% of the incident radiation when the sun is high in the Sky.

The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Description : The sky appears blue because – (1) All colours interfere to produce blue (2) In white light, the blue component dominates (3) The atmosphere scatters blue colour more than the others (4) It is actually blue

Last Answer : (3) The atmosphere scatters blue colour more than the others Explanation: Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by ... the atmosphere (approximately 25% of the incident radiation when the sun is high in the Sky.

In the absence of the earth's atmosphere, sky would appear – (1) blue (2) deep red (3) white (4) black

Description : In the absence of the earth's atmosphere, sky would appear – (1) blue (2) deep red (3) white (4) black

Last Answer : (4) black Explanation: Sky appears blue because the tiny particles of the earth's atmosphere scatter the blue colour (short wavelength) of the sunlight more dominantly than other wavelengths. A blue ... in the absence of earth's atmosphere because there would be no particles to scatter the light.

Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Last Answer : (b). Blue to white

An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red

Description : An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red

Last Answer : black

To an astronaut sky appears (1) white (2) rich blue (3) light blue (4) dark

Description : To an astronaut sky appears (1) white (2) rich blue (3) light blue (4) dark

Last Answer : dark

To an astronaut in a spacecraft, the sky appears to be (1) Blue (2) White (3) Dark (4) Red

Description : To an astronaut in a spacecraft, the sky appears to be (1) Blue (2) White (3) Dark (4) Red

Last Answer : Dark

In the absence of the earth’s atmosphere, sky would appear (1) blue (2) deep red (3) white (4) black

Description : In the absence of the earth’s atmosphere, sky would appear (1) blue (2) deep red (3) white (4) black

Last Answer : black

The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Description : The sky appears blue because (1) all colours interfere to produce blue (2) in white light, the blue component dominates (3) the atmosphere scatters blue colour more than the others (4) it is actually blue

Last Answer : the atmosphere scatters blue colour more than the others

What trailers do you hope to see from the Super Bowl?

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Last Answer : Airstream and Winnebago.

You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not sure whether you qualify, so they decide to give you all a test. Through its universal translator, the alien guarding you tells you the following: You will be placed in a single-file line facing forward in size order so that each of you can see everyone lined up ahead of you. You will not be able to look behind you or step out of line. Each of you will have either a black or a white hat on your head assigned randomly, and I won't tell you how many of each color there are.When I say to begin, each of you must guess the color of your hat starting with the perso

Description : You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. ... , each of you must guess the color of your hat starting with the perso -Riddles

Last Answer : Let's see how it would play out if the hats were distributed like this. The tallest captive sees three black hats in front of him, so he says 'black,' telling everyone else he sees an odd ... go. It looks like these aliens will have to go hungry, or find some less logical organisms to abduct.

Do beds on airplanes have seat belts?

Description : Do beds on airplanes have seat belts?

Last Answer : Yes, they do. There is too much risk of severe unforeseen turbulence.

Is a regular sized, solid stick deodrant allowed in a carry-on bag on airplanes?

Description : Is a regular sized, solid stick deodrant allowed in a carry-on bag on airplanes?

Last Answer : If it’s under 3 oz. it will be fine. Put it in a plastic quart size bag with other toiletries and take it out going through security to be sure.

Back in the days when smoking was allowed on airplanes, were pilots allowed to smoke in the cockpit?

Description : Back in the days when smoking was allowed on airplanes, were pilots allowed to smoke in the cockpit?

Last Answer : Yes . In fact when the FAA banned smoking on planes back in the 90’s the ban didn’t apply to the cockpit as it was figured that it was probably safer to let pilots smoke than have an habitual smoker cooped for hours going insane.

Would reverting back to all prop airplanes save money and fuel?

Description : Would reverting back to all prop airplanes save money and fuel?

Last Answer : I am not sure that propeller driven aircraft are more efficient than jet aircraft.

Should there be a designated section for families with children on airplanes?

Description : Should there be a designated section for families with children on airplanes?

Last Answer : answer:No. Before I had my son, I would have said yes. However,my son would not do well flying in a family area at all. I do think if people are upset by how children/families are behaving on ... quiet down. If it truly bothers someone, then I think a ticket in first class will address the issue.

How did the word "liner" become attached to airplanes and ships?

Description : How did the word "liner" become attached to airplanes and ships?

Last Answer : “Line” is synonymous with “fleet.” The White Star Line was a fleet of ships owned by the White Star Company. An oceanliner would be a member of that line of ships owned by that particular company. Each company’s ships are different.

What's your feelings about seat policies regarding fat people on airplanes?

Description : What's your feelings about seat policies regarding fat people on airplanes?

Last Answer : I think airlines should either start building bigger seats, or jut start charging by the pound (luggage and people.)

Are airplanes not allowed to fly over Amish societies? If they are allowed, how do the Amish explain this?

Description : Are airplanes not allowed to fly over Amish societies? If they are allowed, how do the Amish explain this?

Last Answer : They all know about things like airplanes. They just choose to have nothing to do with them.

Why do people drink ginger ale on airplanes?

Description : Why do people drink ginger ale on airplanes?

Last Answer : i drink ginger ale frequently, but the stomach idea seems reasonable.

Do you fly first class on airplanes?

Description : Do you fly first class on airplanes?

Last Answer : I used to only fly first class, when travelling with my grandmother. But, when I fly, I fly coach. Doesn’t bother me. It’d be nice to be able to afford it, and it’d be nice with a toddler…but we do coach.

Why do airplanes float in water?

Description : Why do airplanes float in water?

Last Answer : There is air inside it, making it somewhat buoyant. Think about how a submarine works.

Why don't airplanes have a mesh protecting the engines?

Description : Why don't airplanes have a mesh protecting the engines?

Last Answer : As I understand it jet engines are designed to allow for things to get sucked in and blown out the back. I have heard that when jet engines are tested by having frozen turkeys thrown into them. Mesh would ... to have an intense fear of flying so I've done all sorts of reading on subjects like this.

I heard recently that only airplanes are still allowed to use gasoline with lead. Is there any problem for those of us living under their flight paths?

Description : I heard recently that only airplanes are still allowed to use gasoline with lead. Is there any problem for those of us living under their flight paths?

Last Answer : Only if you breathe or eat food that you plan and grow. Lead is a heavy molecule and down it goes. Living under/adjacent to a flight path would probably be the worst.

how do airplanes fly?

Description : how do airplanes fly?

Last Answer : answer: Airplane wings are curved on the top which make air move faster over the top of the wing. The air moves faster over the top of a wing. It moves slower underneath the wing. The ... the wing to lift up into the air. More: http://inventors.about.com/library/inventors/blairplanedynamics.htm

Can you bring bottles like Nalgene or SIGG on airplanes if they are empty?

Description : Can you bring bottles like Nalgene or SIGG on airplanes if they are empty?

Last Answer : Yes. I’ve brought an empty Nalgene on a lot of planes.

How fast do small airplanes fly?

Description : How fast do small airplanes fly?

Last Answer : answer:Apparently, as slow as zero mph. The Concorde was supersonic (2.2 mach), and compared to today's jumbo jet liners, was relatively small. Of course, it's no longer flying. Gulfstream makes ... 0.90 mach. Virgin Galactic's Spaceship Two -class sub-orbital craft reach speeds of 3.0 mach.

Are zippo lighters allowed on airplanes?

Description : Are zippo lighters allowed on airplanes?

Last Answer : Lighters without fuel are permitted in checked baggage. Lighters with fuel are prohibited in checked baggage, unless they adhere to the Department of Transportation (DOT) exemption, which allows up to two ... If you are uncertain as to whether your lighter is prohibited, please leave it at home.

Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Description : Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier? -Physics

Last Answer : Yes and no. It depends on the material you are in. In order to keep things from traveling into the past, and thereby preserve local conservation of mass-energy, and thereby prohibit the universe ... eye, it is detected by cameras and serves as an important tool for scientists studying cosmic rays.