The ceiling height of the first floor in commercial buildings in NYC are higher than the other floors. It is usually a lobby
The average height of a living room ceiling is 8' or 9'. People often add a tray in the ceiling to make the ceiling height in that area 1' higher. The average of course depends on the budget of the home. A more expensive luxurious house will obviously have higher ceilings.
The higher the height the bigger the radius will be, due to gravity
yes it does because the higher get the unstable they become
Of course airplane heights are safer than mountain heights. Mountain heights are extremely dangerous and really scary but airplane heights are more higher altitudes. Airplane heights are not that scary also it is much safer than mountain heights.
The service ceiling of the F-16 is listed as 55,000 feet, but in all likelihood, it is somewhat higher.
Yes, a liquid will splatter or splash more at a higher height but the relationship I don't know about
The standard height of a ceiling in a restaurant is typically eight feet. Many restaurants choose to make the ceilings higher to add a more open feeling to the restaurant.
The Sky
When the ball is at a low temperature, the molecules are not flexible and bounce only to a small height. On the other hand, if the ball is warm or at a higher temperature, it will bounce longer heights.
i would say that 7.5 is probably normal for most houses built in the 50's 60's 70's. Newer houses will usually have higher ceilings of 8, 9 or even 10 feet. Some older houses also usually have higher ceilings.
While it is true that as you go higher above sea level, the temperature drops, you can't say that at a certain height it is always going to be -15 degrees celcius. Just as temperatures fluctuate at sea level, they fluctuate at higher heights as well.
Common sub-sonic passenger aircraft can only get to a ceiling (this is not their maximum height) height of 43,000 feet, they can go higher, but that is the comfortable cruising altitude. Space Craft under the Aerospace engineering concept can go as high as they wish, and there is Military Super-Sonic air craft, their ceiling is anything from 30,000 to 60,000 feet.