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Fudgin [204]
3 years ago
7

2) As a freshman in college, you enter a classroom hall believing it is Physics 101 and sit down. The professor says, "During th

e course of this semester, you will learn about man's synthetic inventions only." Are you in the right classroom? Why?
Physics
1 answer:
Valentin [98]3 years ago
3 0
No because you don’t learn about synthetic inventions yet in your first year
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Pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. What are the signs that this is a chem
ad-work [718]
<h3><u>Answer;</u></h3>
  • Heat is produced
  • Light is produced
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<h3><u>Explanation;</u></h3>
  • Chemical reactions involve the chemical interaction of two or more chemical substances, result in a new substance being formed, and are usually irreversible.
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7 0
3 years ago
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action and reaction are equal in magnitude and opposite direction then why they don't balance each other
Harrizon [31]
Action and reaction are equal in magnitude and opposite direction by they don't balance each other because they don't occur on the same body. Action is involved on one body and reaction is involved on another body.
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8 0
3 years ago
The part of the building structure, typically below grade, upon which all other construction is built is known as:________
Degger [83]

Answer:

horizontal structural member that supports a floor. Beams are typically wood, cold formed metal framing or steel.

Joists

Horizontal timbers, beams or bars supporting a floor.

8 0
3 years ago
A skier starts from rest at the top of a hill that is inclined 10.5° with respect to the horizontal. The hillside is 200 m long,
Svetlanka [38]

Answer:

d) 289.31 m

Explanation:

Energy provided by potential energy = mgh = m x 9.8x 200 sin10.5 = 357.18m

Energy used by friction = μmgcos 10.5 x 200 = .075 x m x 9.8 x cos 10.5 x200 = 144.54 m .

Energy used by friction on plain surface = μmg x d.( dis distance covered on plain ) =.075x m x 9.8 xd = .735 m d

To equate

357.18 m -144.54 m = .735 m d

d = 289.31 m .

4 0
3 years ago
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Korolek [52]

Answer:

Second Option

Explanation:

The "hard drive" or the second option is one of the main components of storing information on a computer. You already have a hard drive built into your computer, or laptop when you buy it, and you can buy additional hard drives in the form of plugins that can store even more data if your original hard drive becomes full of data.

Hope this helps.

8 0
3 years ago
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