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Ivanshal [37]
2 years ago
13

A rough surface for infrared waves may be polished for

Physics
1 answer:
zloy xaker [14]2 years ago
7 0

Answer:

Radio Waves

Explanation:

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What is weight in Newton’s, of a 50.-kg person on earth
Svetlanka [38]

Answer:

It is about 490 Newtons. 490.3325 to be exact

Explanation:

Pls mark as the Brainliest answer. Thank You very much, enjoy your day

8 0
3 years ago
Nio conducts a science experiment. He puts yeast into a bottle with water and sugar, and then caps the bottle with a balloon. He
KATRIN_1 [288]

Answer: Option (C) is the correct answer.

Explanation:

When yeast is added into a bottle with water and sugar then after some time yeast becomes activated. This results in the formation of a chemical change as bubbles are formed on the surface of the mixture in the bottle.

This indicates that a gas has been released due to the chemical change.

Thus, we can conclude that most likely a chemical change has occurred because a gas was produced.

3 0
3 years ago
Read 2 more answers
If a car has a mass of 200 kilograms and produces a force of 500 N, how fast will the car accelerate?
san4es73 [151]

Answer:

B

Explanation:

F = ma

500N = 200 × a

200a. = 500N

a. =. 500N/200

a. =. 2.5m/s²

PLEASE GIVE BRAINLIEST.

3 0
2 years ago
Please answer the question below
scoundrel [369]
The correct answer is B.
In a velocity vs time graph, a line going up means an increase in velocity, or speed, which correlates to positive acceleration. Negative acceleration means slowing down.
6 0
3 years ago
Select the correct answer.
r-ruslan [8.4K]

Answer:

That would be B. Hope this helps!

Explanation:

Orion's Belt or the Belt of Orion, also known as the Three Kings or Three Sisters, is an asterism in the constellation Orion. It consists of the three bright stars Alnitak, Alnilam and Mintaka. Looking for Orion's Belt in the night sky is the easiest way to locate Orion in the sky.

3 0
3 years ago
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