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Arte-miy333 [17]
3 years ago
10

Planting along the natural slip of the land to reduce soil erosion is called ____

Physics
1 answer:
kirill [66]3 years ago
6 0
Why the answer to your question is Contour farming I hope this helps add me as a friend and I can help more
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A marble is placed at Location W. When the marble is released, it rolls down the track.
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Answer:

Z

Explanation:

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A flow is isentropically expanded to supersonic speeds in a convergent-divergent nozzle. The reservoir and exit pressures are 1.
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Answer:

Ae/A* = 1.115

Explanation:

Let the reservoir pressure be  p_0

Let the exit  pressure be p_e

Ratio of reservoir pressure and exit pressure

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  = 3.182

For the above value of pressure ratio

Obtain the area ratio from the isentropic flow table

Ae/A* = 1.115

The value of pressure ratio is Ae/A* = 1.115

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3 years ago
How can scientists know for sure that the cell theory is true ? What evidence do we have to prove it
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What do I have to do to figure out " What % of an object’s mass is above the water line if the object’s density is 0.82g/ml " wi
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Answer:

18%

Explanation:

There are two equal and opposite forces on a floating object: weight and buoyancy.

W = B

The weight of an object is its mass times gravity: W = mg

Buoyancy is the weight of the displaced fluid: W = mf g

Plugging in:

mg = mf g

m = mf

Mass is density times volume:

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Solving for the ratio of Vf / V:

Vf / V = ρ / ρf

Given that ρ = 0.82 g/mL and ρf = 1.00 g/mL:

Vf / V = 0.82

That means 82% of the object's volume (and therefore, 82% of its mass, assuming uniform density) is submerged.  Which means that 18% is above the water line.

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