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leonid [27]
3 years ago
5

Describe technologies used to explore the universe using electromagnetic radiation

Physics
1 answer:
erica [24]3 years ago
6 0
Telescopes are used to probe the wider universe by observing big things like planets, stars, and galaxies using visible light, infrared radiation, microwaves, radio waves, and other parts of the electromagnetic spectrum. ... This understanding of the universe is a direct result of technology development
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EXPERTS/ACE and people that wanna help 4 sure only!
oee [108]
To do this you want to solve for one variable at a time. So we want to cancel out a variable. Lets cancel x. I will multiply the first equation by the number 4 to get 4y=4x-16.
Now lets solve equation 2 for y, giving
-3y=-4x+3 now add equation 1 to equation 2
Y =-13
Now plug that back in to either
-13=x-4
X=-9
So the answer is (-9,-13)
7 0
3 years ago
A disk-shaped platform has a known rotational inertia ID. The platform is mounted on a fixed axle and rotates in a horizontal pl
Zarrin [17]

Answer:

Explanation:

The angular momentum of that same disk-sphere remains unchanged the very same way before and after the impact of the collision when the clay sphere adheres to the disk.

 \mathbf{I_w} = constant.

The overall value of such moment of inertia is now altered when the clay spherical sticks. Due to the inclusion of the clay sphere, the moment of inertia will essentially rise. As a result of this increase, the angular speed w decreases in value.

Recall that:

The Kinetic energy is given by:

\mathbf{K = \dfrac{1}{2} Iw^2} \\ \\\mathbf{K = \dfrac{1}{2} lw*w}

where;

\mathbf{I_w} is constant and w reduces;

As a result, just after the collision, the system's total kinetic energy decreases.

5 0
3 years ago
How do electric motors create movement?
melomori [17]

Answer:

D by spinning magnets to induce electric current.

7 0
3 years ago
A particle vibrates in Simple Harmonic Motion with amplitude. What will be its displacement in one time-period? A 2A 4A 0
yan [13]

'Displacement' is the distance and direction between the starting point and
ending point, regardless of the path followed to get there.

A particle that's executing simple harmonic motion is always in the same place
where it was one time period ago, and where it will be later after another time
period has passed. 

So its displacement during exactly one time period is exactly zero.


3 0
3 years ago
The ash produced when solid waste is incinerated is ______ than the original waste.
11111nata11111 [884]
The ash is more toxic
5 0
3 years ago
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