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Air speed is the speed through the air (surprise!) and the air is often moving, you can have a strong tailwind or headwind so that will affect your speed over the ground (groundspeed). The speed through the air might be 500mph, and the groundspeed either 550mph or 450mph, if the wind is at 50mph.
What else can I help you with?
What is the difference between the ground reference speed and water reference speed?
Ground reference speed is the speed of an aircraft with reference to the ground. Ground reference can also be used in watercraft by using the seabed. Watercraft can also use water reference speed, which is water flowing past the hull. The difference is that one uses the ground and the other uses the water to reference speed.
What is the difference in the speed of light between water and air?
The speed of light is slower in water than in air. In a vacuum, light travels at about 186,282 miles per second, but in water it slows down to about 140,000 miles per second.
What is the difference in the speed of light in air, water, and glass?
The speed of light is fastest in air, slower in water, and slowest in glass.
Do light waves slow down or speed up when they hit water?
When light waves enter water, they slow down. This change in speed is due to the difference in the refractive index between air and water, which causes the light to bend as it moves from one medium to another.
What happens to the path of waves when they travel from air to water?
When waves travel from air to water, they change direction and speed due to the difference in density between the two mediums. This causes the waves to bend or refract as they enter the water.
What is the difference between the ground reference speed and water reference speed?
Ground reference speed is the speed of an aircraft with reference to the ground. Ground reference can also be used in watercraft by using the seabed. Watercraft can also use water reference speed, which is water flowing past the hull. The difference is that one uses the ground and the other uses the water to reference speed.
What is the difference between fresh water and potable water?
the difference between fresh water and potable water is fresh water can come form the ground, and/or, ice burgs.
What is the difference between fishing and harvesting?
harvesting is on ground and fishing is in water
What is the difference between a solar panel and a ground pump?
solar panels get energy from the sun and ground pumps get energy from turning water.
What is the difference between a spring a?
spring is water in motion, that is recharged by ground water.it is fed by only any one kind of ground water flow i.e local, intermediate or regional. lake is stagnant water recharged by the ground water where three types of ground water flow meet.
What is the difference between lake and a spring?
spring is water in motion, that is recharged by ground water.it is fed by only any one kind of ground water flow i.e local, intermediate or regional. lake is stagnant water recharged by the ground water where three types of ground water flow meet.
Why current and voltage are not equal?
Current means flow of electrons Whereas the difference between two points is the voltage difference. Example: when you hold a filled jug of water at a certain height, it is the voltage. Because there is some difference of water at you end and the ground. But when you start pouring the water from the jug, water will fall on the ground which can be said a current.
What is the difference between well and tubewell?
The difference between a well and tubewell are the amounts of water they supply. Wells can supply any amount to certain locations like crops. Tubewells involve pumping ground water in specifically measured amounts.
What is the difference between a mailman and water?
The difference between a mailman and water is water can be bottled and a mailman can't.
What is the difference in the speed of light between water and air?
The speed of light is slower in water than in air. In a vacuum, light travels at about 186,282 miles per second, but in water it slows down to about 140,000 miles per second.
What is the difference between voltage and current. Explain practically?
Voltage can be compared with the level to which the tap is opened. (Volume of water) Current can be compared with the speed at which water flows from tap. (Flow of water).
What is the difference between in the ground and on the ground?
In simplest terms, an above ground pool is built the handle the water pressure exerted from the inside but not the pressure of the ground around the outside. It takes the special structure of a pool built for burial in order for it to not collapse when placing it into the ground and backfilling.
