Imagine a flat surface where the left side of the surface is warmer while the ri
ID: 287294 • Letter: I
Question
Imagine a flat surface where the left side of the surface is warmer while the right side of the surface is colder. Now imagine you're flying a drone in a straight line across the surface.
4_ Assume you are flying your drone from left (warm) to right (cold) at a constant height of 50 m above the surface. Along the flight path, you are measuring the pressure.
Explain which side (Left/warm or Right/cold) do you expect to measure the lower pressure and why?
5_ Now assume that the drone flies along a constant pressure surface (adjusts its altitude up or down to remain at a fixed pressure). Would the drone tend to move up or down as it moves from left to the right? Why?
50 m Cold WarmExplanation / Answer
4. While flying the drone from left(warm) to right(cold), the left side(warm area) we would expect lower pressure.The warm surface warms the air above the surface this warm air is lighter and tends to rise. Hence, this rising air reduces the pressure in the area, as the air pressure is acting downwards but the rising air reduces the pressure as it is acting in the opposite direction. THE LEFT/WARM SIDE WE WOULD EXPECT LOWER PRESSURE
5.If the drone is flying at a constant pressure, the drone will move up from left to right, i.e the drone will fly at a lower height in the warm area and would fly at a higher height in the cold area. This is because, as stated earlier the warm surface experiences low pressure at the surface, while the cold area experiences relatively higher pressure at the surface. To fly at constant pressure(consider the pressure at warm surface as the constant pressure) we would have to move up in the cold area as pressure decreases with increasing flying height. Hence to fly at the same pressure we would have to fly our drone at a higher height in cold area. DRONE WILL MOVE UP FROM LEFT TO RIGHT.
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