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Lynna [10]
4 years ago
12

Hi, pls help with this question. Thank you.

Physics
1 answer:
topjm [15]4 years ago
5 0

Answer:

i: Gamma Rays

ii: Infrared

Explanation:

It just is:)

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If the orbital distance of earth was greater than its actual value, then
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it Farther then it seems

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how much time would it take for the sound of thunder to travel 1,500 meters if sound travels at a speed of 330m/s
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4.545454 seconds

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Which of these would be a good model to demonstrate the fact that the galaxies are moving apart as the universe is expanding?
Sergio [31]

Answer: Option A: The spots on the balloon move away as the balloon is inflated.

one of the scientific models describes the galaxies are moving apart as the universe is expanding. This expansion theory came from the observation of red-shifted spectrum from all the directions indicating that the galaxies are moving away.  This can be understood from the inflated balloon. Initially spots can be marked using a colored pen on the balloon.On inflating the balloon, it would be noticed that the spots on the balloon move away. Actually the position of the spots won't change, but the distance between the spots would expand. This is a good model to explain the expanding universe. The galaxies are neither moving in any random direction nor moving forward. So, rest of the options are not good models to explain the theory.

3 0
3 years ago
When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.
jonny [76]

The statement above is TRUE.

When analyzing forces it is permitted to break the motion and forces into horizontal and vertical components. This is especially true for two dimensional projectile motion, in order to simplify the calculation, the forces and the motion has to be broken down into horizontal and vertical components. The vertical component is affected by the force of gravity while the horizontal component is not affected by gravity for short displacements. With greater displacement, the force of gravity comes into play.

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Question #4
olga2289 [7]

Answer:

Distance 5 km, Displacement 3 km east

Explanation:

6 0
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