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shusha [124]
3 years ago
7

which types of electromagnetic radiation can be detected using telescopes on earth ?Explain your answer.​(physics)

Social Studies
1 answer:
marissa [1.9K]3 years ago
6 0

Answer:

Electromagnetic radiation is a form of energy that is produced by oscillating electric and magnetic disturbance, or by the movement of electrically charged particles traveling through a vacuum or matter. The electric and magnetic fields come at right angles to each other and combined wave moves perpendicular to both magnetic and electric oscillating fields thus the disturbance. Electron radiation is released as photons, which are bundles of light energy that travel at the speed of light as quantized harmonic waves. This energy is then grouped into categories based on its wavelength into the electromagnetic spectrum. These electric and magnetic waves travel perpendicular to each other and have certain characteristics, including amplitude, wavelength, and frequency

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What type of contraction involves the development of tension but no change in length?.
valentinak56 [21]

An isometric contraction is the kind of contraction that leads to development of tension but no increase in length.

An isometric contraction occurs as the muscle produces tension without changing the angle of a skeletal joint. Isometric contraction is a static muscle action that helps to maintain the posture. For example, the antigravity muscles. It occurs in the biceps when the arms may be holding a weight. In such a posture, the biceps enlarge due to holding of weight and produces tension but do no increase in length. It stops the flexion of elbow. In such contraction, no work is done, and lesser amount of heat energy is released in comparison to isotonic contractions.

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6 0
1 year ago
Sarah witnessed a hit and run and immediately called 911 from her cell phone. She provided almost all the details regarding the
natka813 [3]

Answer:

encoding    

Explanation:

Encoding failure: In psychology, the term encoding failure is referred to as the brain's occasional or rare failure to create or form a memory. Whereas the term encoding refers to the brain's capability to store and recall an event's memory of short-term and long-term whenever needed. Encoding failure can occur due to various reasons, for instance, substance abuse, trauma, etc. The term is also referred to as pseudo forgetting as this is one of the theories of forgetting.

In the question above, Sarah's failure to provide the license plate number is most likely due to the encoding failure.

6 0
4 years ago
What are the Five Dark Days in Egyptian Mythology
Agata [3.3K]

Answer:

Osiris was first, Horus was second, Set was third, Isis was fourth, and Nephthys was the fifth

Explanation:

4 0
4 years ago
How many years did the Persian Empire/ Achaemenid Empire last?
kvasek [131]

Answer:

200 years!

Explanation:

The original Persian (or Achaemenid) empire, as established by Cyrus the Great in the 6th century B.C., only lasted approximately 200 years until the death of Darius III in 330 B.C., following his defeat by Alexander the Great.

8 0
3 years ago
Read 2 more answers
Why is urbanization associated with the Industrial Revolution?
LenKa [72]
During the Industrial Revolution, there was a growth in machinery, factories and mass production. The iron, textile, and the steam engine helped improve transportation, communication, and banking. Basically, all the improvements made in the Industrial Revolution helped make life easier for everyone in it. The world became more urban/modern because of these inventions.
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4 years ago
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