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It quadruples.
The circumference of a circle divided by its diameter is equal to the value of pi
It will result to the circle's radius.
The circumference is also quadrupled.
If the diameter doubles (x2), the cross-sectional area quadruples (x4).
As the gas flows from a larger diameter pipe to a smaller one, its speed increases due to the conservation of mass principle. The pressure of the gas decreases as per the Bernoulli's principle. The spacing between the streamlines decreases since the velocity increases in the smaller diameter pipe.
you have a severe pressure drop and a loss of velocity
it could get cloged if u put to much in at the same time u have to put it in little by little
Blood pressure increases if the diameter of the blood vessel decreases.
Pressure rises at the junction.
When an egg is soaked in vinegar, the acidic environment dissolves the eggshell, leaving the inner membrane intact. When the egg is then soaked in a sugar solution, the water inside the egg moves out due to osmosis, causing the egg to shrink as water leaves the egg and moves into the sugar solution. The egg will become smaller and wrinkled due to the loss of water.
Due to friction between the fluid and the walls of the pipe, pressure increases within the pipe.
Due to friction between the fluid and the walls of the pipe, pressure increases within the pipe.
Assuming that the pressure remains at a constant, reducing the diameter of the pipe will increase the water flow. On the contrary, increasing the diameter would cause the water to flow at a much slower rate.
If the diameter of the rod is increased but the oil flow remains the same, the retraction speed of the cylinder rod will decrease. This is because a larger diameter rod requires more volume of oil to fill, resulting in slower movement when the same amount of oil is flowing through.
The diameter of a circle is doubled if the circumference is doubled.
Then the current will stop flowing.