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notka56 [123]
3 years ago
7

Where would you find the least dense water? at 1,000 m in the Antarctic Ocean ,at 200 m in the Arctic Ocean, at the surface of t

he Atlantic Ocean, below 1,000 m in the Pacific Ocean
Physics
1 answer:
VladimirAG [237]3 years ago
6 0

Answer:

At the surface of the Atlantic Ocean

Explanation:

The atlantic ocean is a worm ocean and the surface has the least dense water. This is because the denser layer of water sinks, while the least dense floats.

The Atlantic Ocean stands out in the choices with warmer temperatures at depths. This results from the different flow dynamics in the semi-enclosed Mediterranean Sea.

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B. red................
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In a church choir loft, two parallel walls are 5.30 m apart. The singers stand against the north wall. The organist faces the so
morpeh [17]

The virtual image is as far behind the mirror as the choir is in front of the mirror. Thus, the image is 5.30 m behind the mirror. The image of the choir is 0.800 m+ 5.30 m= 6.10 m from the organist.

<u>Using</u><u> similar triangles</u><u>:</u>

h'/0.600 = 6.10/0.800

So, h' = 0.600( 6.10/0.800 ) = 4.58m

<h3><u>The concept of Ray Optics and Optical Instrument</u></h3>

A subject of physics called Ray Optics and Optical Instruments investigates the characteristics and behavior of light. When light moves in a straight line, as in ray optics, also known as geometrical optics, it is said that every object has an image. The optical tools that are now in use make use of the reflecting and refracting qualities of mirrors, lenses, and prisms.

<h3><u>What is ray optics ?</u></h3>

The theory of ray optics, often known as geometrical optics, describes how light travels in terms of rays. It discusses how light behaves. Typically, light is thought of as a beam that follows a straight path.

The behavior of infrared, ultraviolet, and visible light is explained by the science of optics. Ray is the name given to the route that light takes. A beam of light is another name for a collection of light rays.

To view more on the Ray Optics and Optical Instrument, refer to:

brainly.com/question/19866597

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7 0
2 years ago
Why are jovian planets so much larger than terrestrial planets?
Nataly [62]

Explanation:

The temperature in the inner solar system was too high for light gases to condense, while in the outer solar system, the temperature was much lower, which allowed the Jovian planets to form, which grew enough to accumulate and retain the hydrogen gas that remained in the solar nebula, which led to its high levels of hydrogen and large size.

7 0
3 years ago
A 1-kg book is at rest on a desk. Determine the force the desk exerts on the book<br>​
Katena32 [7]
<h3>Answer:</h3>

\displaystyle F_n = 9.8 \ N

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Physics</u>

<u>Forces</u>

SI Unit: Newtons N

Free Body Diagrams

Gravitational Force: \displaystyle F_g = mg

  • m is mass (in kg)
  • g is Earth's gravity (<em>9.8 m/s²</em>)

Normal Force: \displaystyle F_n

Newton's Law of Motions

  1. Newton's 1st Law of Motion: An object at rest remains at rest and an object in motion stays in motion
  2. Newton's 2nd Law of Motion: F = ma (Force is equal to [constant] mass times acceleration)
  3. Newton's 3rd Law of Motion: For every action, there is an equal and opposite reaction
<h3>Explanation:</h3>

<u>Step 1: Define</u>

1 kg book at <em>rest</em>

<u>Step 2: FBD</u>

<em>See Attachment</em>

<em>Draw a free body diagram to label the forces acting upon the book. We see that we would have gravitational force from Earth pointing downwards and normal force from the surface of the desk pointing upwards.</em>

<em>Since the book is not moving, we know that ∑F = 0 (sum of forces equal to 0).</em>

<u>Step 4: Find Normal Force</u>

  1. Define Forces [Newton's Law of Motions]:                                                 \displaystyle \sum F = 0
  2. [Newton's Law of Motions] Substitute in forces:                                         \displaystyle F_g - F_n = 0
  3. [Newton's Law of Motions] [Addition Property of Equality] Isolate \displaystyle F_n:     \displaystyle F_g = F_n
  4. [Newton's Law of Motions] Substitute in \displaystyle F_g:                                               \displaystyle mg = F_n
  5. [Newton's Law of Motions] Rewrite:                                                             \displaystyle F_n = mg
  6. [Newton's Law of Motions] Substitute in variables:                                   \displaystyle F_n = (1 \ kg)(9.8 \ \frac{m}{s^2})
  7. [Newton's Law of Motions] Multiply:                                                             \displaystyle F_n = 9.8 \ N

7 0
3 years ago
How many atoms of l are there in the compound 3Pbl2
lina2011 [118]

6 Iodine atoms

Explanation:

In 3PbI₂ there are 6 atoms of iodine, I:

             PbI₂ is a compound.

A compound is a substance composed of two or more kinds of atoms/elements joined together in a definite grouping

An element is a distinct substance that cannot be split up into simpler substances. Such substances are made up of only one kind of atom.

An atom is the smallest indivisible particle of any substance

A mole is the quantity of a chemical substance

                            3PbI₂

Compound  = PbI₂

Mole = 3 moles of PbI₂

Elements = Pb and I

Atoms  = 3 Pb and 3(2 Iodine) = 3Pb and 6 Iodine atoms

Learn more:

Atoms brainly.com/question/10216585

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4 0
3 years ago
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