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Alecsey [184]
3 years ago
14

Why was the st valentine's day massacre important? And why are students studying this case?

Physics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

Saint Valentine's Day Massacre, (Feb. 14, 1929), mass murder of a group of unarmed bootlegging gang members in Chicago. The bloody incident dramatized the intense rivalry for control of the illegal liquor traffic during the Prohibition Era in the United States.

hope it help u make me brainlist okkkkkkkkkkk.........

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Optical astronomers need a clear, dark sky to collect good data. Explain why radio astronomers have no problem observing in the
gregori [183]

Answer:

In the clarification portion elsewhere here, the definition of the concern is mentioned.

Explanation:

So like optical telescopes capture light waves, introduce it to concentrate, enhance it, as well as make it usable through different instruments via study, so radio telescopes accumulate weak signal light waves, introduce that one to focus, enhance it, as well as make this information available during research. To research naturally produced radio illumination from stars, galaxies, dark matter, as well as other natural phenomena, we utilize telescopes.

Optical telescopes detect space-borne visible light. There are some drawbacks of optical telescopes mostly on the surface:

  • Mostly at night would they have been seen.
  • Unless the weather gets cloudy, bad, or gloomy, they shouldn't be seen.

Although radio telescopes monitor space-coming radio waves. Those other telescopes, when they are already typically very massive as well as costly, have such an improvement surrounded by optical telescopes. They should be included in poor weather and, when they travel through the surrounding air, the radio waves aren't obscured by clouds. Throughout the afternoon and also some at night, radio telescopes are sometimes used.

3 0
2 years ago
What's the best place to watch videos for general physics?
stepan [7]
Check Khan Academy, they have explanations,notes,videos,quizzes and much more
6 0
3 years ago
You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 35 m/s. The ball has __________________
Elden [556K]

Answer:

The ball has kinetic energy

the kinetic energy is 945 J

Explanation:

4 0
3 years ago
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An athlete is working out in the weight room. he steadily holds 50 kg above his head for ten seconds which statement is true abo
Andrews [41]
Hi. The answer to your question is the first option.

The athlete isn’t doing any work because he doesn’t move the weight.

Hope this helps :))
5 0
3 years ago
Which is an example of making a quantitative observation?
malfutka [58]
An example of a quantitative observation is measuring the surface of an oil painting and finding its dimensions to be 12 inches by 12 inches. A quantitative observation occurs when a researcher takes a measurement that is recorded in an objective number of units.

3 0
3 years ago
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