Sentences with phrase «dense than hot air»

Cold air is more dense than hot air so itsinks and warm air is less dense so it rises.

Not exact matches

Hot air is less dense than cold air, and the hotter the temperature, the more speed a plane needs to lift off.

Light travels faster in the hot, thin air close to the road than it does in the cold, dense air above, and that difference in speed is what causes it to shift direction as it crosses the boundary between the two.

Once again, instead of a sticky drag strip in cool, dense early - morning air — which is hardly representative of real - world conditions — we chose a less - than - perfect surface in the middle of a hot day.

Keeps hot air out of intake system and delivers denser air at colder temps than factory air intakes

The air around being colder therefore denser and heavier, with more condensed volume, will sink; gravity having less of a grip on the hotter less dense rising expanding lighter volume with less mass than it does on the denser colder heavier with more mass.

The air particles speed up, in other words their temperature increases, the hotter air is less dense than colder air above and hence moves up (convection).