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What is the principal of depth gauge?
A depth gauge measures the depth of an object underwater by using water pressure to determine the distance from the surface. The principle behind it is that pressure increases with depth, allowing the gauge to calculate the depth based on the pressure readings it receives.
Two dams form artificial lakes of equal depth. however one lake backs up 15 km behind the dam and the other backs up 30 km behind. what effect does the difference in length have on the pressure on the?
The difference in length of the lakes behind the dams will not have any effect on the pressure exerted on the dams. The pressure on the dam is mainly determined by the depth of the lake, not the length. As long as both lakes have equal depth, the pressure exerted on the dams will be the same.
How does water pressure change with depth?
Water pressure increases with depth due to the weight of the water column above pushing down. This relationship is described by the equation: pressure = density x gravity x depth. At greater depths, the higher pressure compresses gases and increases the density of water.
How does a pressure exerted by a liquid change with depth?
The pressure exerted by a liquid increases with depth. This increase is due to the weight of the liquid above pushing down, creating higher pressure at greater depths. The relationship between pressure and depth can be calculated using the formula P = rho * g * h, where P is the pressure, rho is the density of the liquid, g is the acceleration due to gravity, and h is the depth.
How is the change in pressure measured across a given distance define?
The change in pressure across a given distance is measured using the pressure gradient, which is the change in pressure divided by the distance. This value can be used to quantify how quickly pressure changes over a specific length or depth in a fluid.
