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Kitty [74]
3 years ago
10

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.

learn more:

Soil erosion brainly.com/question/2473244

#learnwithBrainly

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Three identical 6.67-kg masses hang at rest from three identical springs, numbered as in the figure. Each spring has an unstretc
Karolina [17]

The length of the spring 2 due to arrangement of the equal masses is determined as 0.238 m.

<h3>Extension of the spring 2</h3>

The extension of the spring 2 is determined from the net force acting on spring 2.

F(net) = Kx

<em>Net force on spring 2 = sum of forces acting downwards - sum of forces acting upwards.</em>

Net force on spring 2 = (force on 2 + force on 3) - (force on 1)

F(net) = (m₂ + m₃)g - (m₁)g

F(net) = (6.67 + 6.67)9.8  -  (6.67)9.8

F(net) = 130.732 - 65.366

F(net) = 65.366 N

x = F/k

x = (65.366)/(8130)

x = 0.00804 m

The length of spring 2 = x + 0.23 m

                                     = 0.00804 m + 0.23 m = 0.238 m

Thus, the length of the spring 2 due to arrangement of the equal masses is determined as 0.238 m.

Learn more about extension of elastic material here: brainly.com/question/26838571

5 0
2 years ago
In the diagram, the Sun, Earth, and Moon are in perfect alignment. Which two conclusions can be drawn based on the diagram?
AysviL [449]

Answer:

I know one answer is an observer on earth sees a lunar eclipse

4 0
3 years ago
Read 2 more answers
If a car has an initial velocity of 20 m/s and accelerates at 2.0 m/s2 for 100 m, what is its final velocity?
rodikova [14]

Answer:

28.28 ms-1

Explanation:

v² = u² + 2as

v² = 20² + 2×2×100

v²= 800

v = 28.28 ms-1

3 0
3 years ago
Amy has a mass of 30 kg, and she is riding a skateboard traveling 5 m/s. What is her momentum
soldi70 [24.7K]
We Know, P = m*v
Here, m = 30 Kg
v = 5 m/s

Substitute it into the expression, 
P = 30*5 Kgm/s
P = 150 Kgm/s

So, your final answer is 150 Kg.m/s

Hope this helps!
3 0
3 years ago
Read 2 more answers
How does the resultant displacement change as the angle between two vectors increases from 90° to 120°?
user100 [1]

The resultant displacement between the two vectors will increase.

The resultant of the two vectors is given by parallelogram law of vectors.

The parallelogram law of vector addition states that if two vectors are represented in magnitude and direction by the adjacent sides of a parallelogram, the diagonal of the parallelogram drawn from the point of intersection of the vectors represents the resultant vector in magnitude and direction.

The resultant of these vectors, say vector A, and B, is given as;

R^2 = a^2 + b^2 -2ab.Cos (\theta )

When;

θ = 90°

R^2 = a^2 + b^2

When;

θ = 120°

R^2 = a^2 + b^2 + ab

Thus, the resultant displacement between the two vectors will increase.

Learn more here: brainly.com/question/20885836

8 0
3 years ago
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