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masha68 [24]
3 years ago
12

Which is true about the pressure of a fluid at a specific depth?

Physics
1 answer:
Sloan [31]3 years ago
6 0
<h3><u>Answer</u>;</h3>

It varies with the total volume of the fluid.

<h3><u>Explanation;</u></h3>
  • Pressure and depth have a directly proportional relationship, due to the greater column of fluid that pushes down on an object submersed.
  • The relationship between pressure and depth may be looked at with respect to the relationship between pressure and volume, as the column of fluid has a specific volume and corresponding to depth.
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3 years ago
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A 63.3 kg wood board is resting on very smooth ice in the middle of a frozen lake. A 35.7 kg boy stands at one end of the board.
Vlada [557]

The velocity of the board relative to the ice is zero, since both are at rest.

<h3>What is relative velocity?</h3>

Relative velocity is the velocity of an object in relation to another reference object or point.

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Therefore, the velocity of the board relative to the ice is zero, since both are at rest.

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2 years ago
Una manguera de agua de 1.3 cm de diametro es utilizada para llenar una cubeta de 24 Litros. Si la cubeta se llena en 48 s. A) ¿
Viefleur [7K]

Answer:

We must translate this:

a 1.3 cm diameter water hose is used to fill a 24-liter bucket. If the bucket is filled in 48 s.  

A) What is the speed with which the water leaves the hose?

B) if the diameter of the hose is reduced to 0.63 cm and assuming the same flow, what will be the speed of the water leaving the hose?

A) If the velocity of the water is Xcm/s

and the radius of the hose is equal to half its diameter, so it is 1.3cm/2

Then in one second we can considerate that a cylinder of:

V = pi*(1.3cm/2)^2*X cm^3 of water.

So we have that quantity in one second of flow.

where pi = 3.14

then in 48 seconds, the amount of water in the bucket is:

V = 48*pi*(1.3/2)^2*X = 24 L = 24,000 cm^3

Now we need to solve this for X.

48*3.14*(1.3/2)^2*X = 24000

63.679*x = 24000

x = 24000/63.679 = 376.89

So the velocity of the water is 376 cm per second.

B) if the diameter is 0.64cm, we have the equation:

48*3.14*(0.63/2)^2*x = 24000

14.955*X = 24000

X = 24000/14.955 = 1604.814 cm/s

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3 years ago
What's the formula to calculate the radius of pendulum bob ​
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Answer:

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Hope this helps :]

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