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lesya [120]
3 years ago
12

Why do fluids exert pressure

Physics
2 answers:
Lapatulllka [165]3 years ago
7 0
<span>The particles collide with each other and the sides of the container</span>
Anna007 [38]3 years ago
6 0


<span>The pressure a fluid exerts on an object in the fluid is applied in all directions. That is because the particles that make up the fluid can move in any direction. These particles exert forces as they bump into objects in thefluid.</span>
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Engineers and science fiction writers have proposed designing space stations in the shape of a rotating wheel or ring, which wou
lyudmila [28]

Answer:

w = 1.976 rpm

Explanation:

For simulate the gravity we will use the centripetal aceleration a_c, so:

a_c = w^2r

where w is the angular aceleration and r the radius.

We know by the question that:

r = 60.5m

a_c = 2.6m/s2

So, Replacing the data, and solving for w, we get:

2.6m/s = w^2(60.5m)

W = 0.207 rad/s

Finally we change the angular velocity from rad/s to rpm as:

W = 0.207 rad/s = 0.207*60/(2\pi)= 1.976 rpm

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3 years ago
Find the initial velocity
Alla [95]

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3 years ago
What is the force of the drag for a 65 kg bicyclist, initially at rest at the top of a hill coasts down the hill, reaching a spe
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2 years ago
Please explain what a fossil is be descreptive
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Hope this helped!
6 0
3 years ago
Read 2 more answers
A brick is dropped from rest from a height of 4.9 m. how long does it take the brick to reach the ground?
Igoryamba

We know the equation of motion , s =ut+\frac{1}{2} at^2, where s is the displacement, u is the initial velocity, a is the acceleration and t is the time taken.

In this case a brick is dropped from rest from a height of 4.9 m, so displacement, s = 4.9 m

Since the brick is dropped from rest, u = 0 m/s

Acceleration on brick = acceleration due to gravity = 9.81 m/s^2

Substituting

   4.9 = 0*t+\frac{1}{2} *9.81*t^2\\ \\ 4.9 = 4.9t^2\\ \\ t^2=1\\ \\ t =1 second

So the brick will reach ground after 1 second.


8 0
3 years ago
Read 2 more answers
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