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daser333 [38]
3 years ago
14

Is erosion a constructive or destructive force and why?

Physics
1 answer:
Andrei [34K]3 years ago
5 0
Destructive force
It’s a force that slowly wears away mountains and other features on earths surface, such as erosion.
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Identify characteristics of energy from the Sun. Check all that apply.
-BARSIC- [3]

Almost all of the energy on Earth comes from the Sun

The energy in fossil fuels originally came from the Sun

Plants convert the energy

Explanation:

The sun is the ultimate source of energy on earth and even the whole of the solar system. The sun drives and powers all external processes on earth. It produces its energy from the nuclear fusion of lighter nuclei into heavier ones.

  • Almost all of the energy on earth comes from the sun. A few component of the energy on the surface comes from the internal heat engine.
  • The energy of fossil fuels originally came from the sun. This is because, plants stores the energy in the process of photosynthesis. When they die and the energy is not released, the energy is stored as fossil fuels.
  • Plants in the process of photosynthesis converts the energy. Here green plants combines carbon dioxide and water in the presence of sunlight.

Learn more:

Convection brainly.com/question/1140127

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6 0
2 years ago
A worker pushes a 7 kg shipping box along a roller track. Assume friction is small enough to be ignored because of the rollers.
Bingel [31]

Answer:

a) Fₓ = 23.5 N

b) Net force = Fₓ

Explanation:

An image of the question as described is attached to this solution.

From the image attached, the forces acting on the box include the weight of the box, the normal reaction of the surface on the box, the applied force on the box and the Frictional force opposing the motion of the box (which is negligible and equal to 0)

a) From the diagram, the horizontal component of the force is

Fₓ = 25 cos 20° = 23.49 N = 25 N

b) Again, from the diagram attached, doing a force balance on the box, in the horizontal direction, we obtain

Net force = Fₓ - Frictional force

But frictional force is 0 N

Net force = Fₓ

Hope this Helps!!!

6 0
3 years ago
A cart pulled by a force of 250N at an angle of 35 degrees above the horizontal. The cart accelerates at 1.4 m/s^2. The mass of
-BARSIC- [3]
<span> 146 kg is the answer to your question hope this helps bro

</span>
6 0
3 years ago
What is the maximum value of the electric field in an electromagnetic wave whose average intensity is 7.35 w/m2 ?
anastassius [24]

The maximum value of the electric field in an electromagnetic wave is 23.54 V/m.

<h3>What is an electromagnetic wave?</h3>

The oscillations between an electric field and a magnetic field produce waves known as electromagnetic waves, or EM waves. In other words, magnetic and electric fields oscillate to form electromagnetic (EM) waves.

Electromagnetic waves are produced when an electric field and a magnetic field interact. They are referred to as "electromagnetic" waves as a result. An electromagnetic wave's electric field and magnetic field are perpendicular to one another (at right angles). Additionally, they are perpendicular to the EM wave's direction.

In vacuum, EM waves move at a fixed speed of 3.00 x 108 ms-1. Neither the magnetic field nor the electric field can deflect them. However, they might show diffraction or interference. An electromagnetic wave can pass through any medium, including vacuum, solid materials, and air. It can spread or move from one area to another without the use of a medium. On the other hand, mechanical waves (such as sound waves or water waves) require a medium to propagate. Transverse waves include EM waves. The height and distance between the highest and lowest points of two successive waves, respectively, are thus used to measure them.

The highest point of a wave is referred to as the "crest," and the lowest point as the "trough." A variety of frequencies can be created by dividing up electromagnetic waves. The electromagnetic spectrum is what is meant by this. Radio waves, microwaves, infrared waves, X-rays, gamma rays, and other types of waves are EM waves.

To learn more about the, electromagnetic wave visit:

brainly.com/question/12289372

#SPJ4

7 0
1 year ago
Melissa and Rory live near a bike trail, 21 km apart. They plan to meet at a park mid-way between their homes. They start from t
DiKsa [7]

Answer:

27km.

Explanation:

Jessie will run for a duration of time, which is the time it takes for Melissa and Rory to meet each other.

Together combined, Melissa and Rory runs at 14km/h. The bike trail is 21km, so it will take 1.5 hours.

Jessie runs at 18km/h, so Jessie will run 18 * 1.5 = 27km.

7 0
3 years ago
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