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3 years ago

Which of the following ranching practices contributes to soil erosion?

Physics

1 answer:

Natasha2012 [34]3 years ago

6 0

A. overgrazing of livestock

Explanation:

Overgrazing of livestock is the ranch practice that contributes to soil erosion.

Soil erosion is the washing away of the top layer of the earth on which plant grows.

Plants are covers of the earth and they prevent agents of denudation from actively washing away the soil.
When livestock are introduced into a place, continuous grazing leaves the surface bare.
The plants becomes depleted and the surface is exposed.
This fast tracks the process of overgrazing.

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Soil erosion brainly.com/question/2473244

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Would two north poles attract each other or push away frim each other

eduard

Two north poles would push away from each other

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3 years ago

Read 2 more answers

find an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along

Fofino [41]

We have that the expression for the magnitude of the horizontal force F is

$F=(m_1+m_2)gtan\phi$

From the question we are told

find an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along the wedge. all surfaces are friction-less.

Generally the equation for Normal force is mathematically given as

$N=\frac{n_2g}{cos\pji}$

Where

a signifies acceleration

$Nsin\phi=m_2a$

Therefore

Equating above equations

$a=\frac{Nsin\phi}{m^2}\\\\a=gtan\ph$ i

Generally the equation for Force on wedge is mathematically given as

$F=m_1a+Nsin\phi$

$F=(m_1+m_2)gtan\phi$

Therefore

The expression for the magnitude of the horizontal force F is

$F=(m_1+m_2)gtan\phi$

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5 0

3 years ago

Which of the following factors affect the pressure of an enclosed gas?

dimulka [17.4K]

Answer:

D. All of the above.

Explanation:

PV=nRT

3 0

3 years ago

Professional assessments are the only reliable method for determining an individual's levels of health-related fitness.

marin [14]

Answer:

True

Explanation: A professional assessment is the only way to determine the health related fitness. These could include blood work, breathing exercises, ect to make sure the person is able to perform the fitness exercises without compromising their health.

4 0

3 years ago

A 5.0-μC charge is placed at the 0 cm mark of a meter stick and a -4.0 μC charge is placed at the 50 cm mark. At what point on a

Maksim231197 [3]

Answer:

The distance from charge 5 μ C = 26.45 cm and the distance from - 4 μ C is 23.55 cm.

Explanation:

Given that

q₁ = 5 μ C

q₂ = - 4 μ C

The distance between charges = 50 cm

d= 50 cm

Lets take at distance x from the charge μ C ,the electrical field is zero.

That is why the distance from the charge - 4 μ C = 50 - x cm

We know that ,electric field is given as

$E=K\dfrac{q}{r^2}$

$K\dfrac{5\ \mu}{x^2}=K\dfrac{4\mu }{(50-x)^2}\\\\\dfrac{5}{x^2}=\dfrac{4 }{(50-x)^2}\\\\\\5(50-x)^2=4x^2\\(50-x)^2=0.8x^2\\\\50-x =0.89x\\\ x=\dfrac{50}{1.89}\ cm\\\\\\x=26.45\ cm\\$

Therefore the distance from charge 5 μ C = 26.45 cm and the distance from - 4 μ C is 23.55 cm.

3 0

3 years ago