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iogann1982 [59]
2 years ago
5

In the diagram, a force of 20 newtons is applied to a block. The block is in dynamic equilibrium. What is the magnitude and dire

ction of the frictional force?
A. 20 newtons in the direction of the applied force
B. 20 newtons opposite to the direction of the applied force
C. 20 newtons perpendicular to the direction of the applied force
D. 20 newtons in two directions, perpendicular and in the direction of the applied force
E. No friction is acting on the block.
Physics
2 answers:
ololo11 [35]2 years ago
8 0
The answer is B because it is true my teacher literally told me this last week! Good thing I remember
sladkih [1.3K]2 years ago
5 0

Answer:B 20 newtons opposite to the direction of the applied force

Explanation:

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Zinaida [17]

The elevation in reservoir  at  the rate of flow using is 03m/s  is 114m.

The Reynolds range is the ratio of inertial forces to viscous forces. The Reynolds variety is a dimensionless variety used to categorize the fluids structures in which the impact of viscosity is crucial in controlling the velocities or the flow sample of a fluid.

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Let L = 100 m pipe

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H f = friction losses

Using Reynolds number, relative  roughness, friction co- effiicients and friction losses

Substitute the value in equation

Z = 110= 0.48= 3.54

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6 0
2 years ago
What is Secular Music's instrument's?​
nasty-shy [4]

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8 0
3 years ago
What's the mass show the work?
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You do this one just like the other one that I just solved for you.

For this one ...

The density of the object is 2.5 gm/cm³.
We know that every cm³ of it we have contains 2.5 gm of mass.
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The question tells us:  We have  2.0 cm³.

Each cm³ of space that the object occupies contains 2.5 gm of mass.

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3 years ago
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Answer:

78.4 m

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v = 0 + (9.8*4)

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v² = u² + 2aS

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8 0
2 years ago
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