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ss7ja [257]
1 year ago
14

Why are light-years more convenient than miles, kilometers, or astronomical units (au) for measuring the distances to stars and

galaxies? (select all that apply.)
Physics
1 answer:
Tomtit [17]1 year ago
5 0

Answer:

sEE BELOW

Explanation:

Well.....because the numbers are 'astronomical'....meaning VERY, VERY , VERY LARGE

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Please help! 30Points!! An ultrasound machine uses waves to create images. The machine uses sound waves and which wave interacti
Gnesinka [82]
The correct answer should be C
5 0
3 years ago
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Which has greater accuracy, the 10 mL graduated cylinder or the 50 mL graduated cylinder
mylen [45]
You can estimate one more digit past the smallest division on the measuring device. If you look at a 10mL graduated cylinder, for example, the smallest graduation is tenth of a milliliter (0.1mL). That means when you read the volume, you can estimate to the hundredths place (0.01mL).
6 0
3 years ago
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In 5 meters, a person running at 0.8 m/s accelerates at 1.6 m/s2. How fast 16 points
frutty [35]

They were going at a velocity 4.07m/s

<u>Explanation:</u>

Distance s =5 m

initial velocity u= 0.8 m/s

Acceleration a =1.6m/s2

We have to calculate the velocity with which they were going afterwards i.e final velocity.

Use the equation of motion

v^2=u^2+2as\\=0.8^2+2\times 1.6\times 5\\=16.64\\v=4.07 m/s

They were going with a velocity 4.07 m/s afterwards.

5 0
3 years ago
Atmosphere in a sealed space craft contains
Alekssandra [29.7K]
The best and most correct answer among the choices provided by your question is the fourth choice or letter D.

<span>Atmosphere in a sealed space craft contains </span><span>pressurized atmospheric air available normally on earth.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
8 0
2 years ago
When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused b
defon

Answer:

correct option is A. Resonance

Explanation:

solution

vibrations in the tube are caused by the Resonance because Resonance cause of sounds production in the musical instrument

As if resonance ( hollow cylindrical tube) immerse in  cylinder of water and force in to vibration by tuning fork

As tines of tuning fork vibrate at natural frequency and it create sound wave that impinged up on opening of resonance tube

so correct option is A. Resonance

8 0
3 years ago
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