The

Physics

1 answer:

Arte-miy333 [17]3 years ago

5 0

The structure of an individual molecule will determine which substance will dissolve.

Option: A

Explanation:

Once a solvent disintegrates, the single atoms, molecules or ions communicate with the solvent, become solved, and are able to diffuse in the solution independently. However, this is not a unidirectional method. When the molecule or ion collides with the surface of an undissolved solute particle, it may bind to the particle in a method called crystallization.

The concentration units or structure are used to define the degree to which a solvent is soluble. A solution can be categorized as hydrophilic (water-loving), implying it has an electrostatic water-looking attraction, or hydrophobic (water-fearing), implying it repels water. A hydrophilic material is polar, and mostly includes groups of O–H or N–H that can shape water bonds.

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Which one of the following accurately describes a proper use of eyeglasses?

stiks02 [169]

The statement that accurately describes a proper use of eyeglasses is statement A. Using converging lenses to help a nearsighted person by moving the image from in front of the retina to the retina.

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3 years ago

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The tires on your truck have 0.35 m radius. In a straight line, you drive 2600 m. What is the angular displacement of the tire,

Travka [436]

1) In a circular motion, the angular displacement $\theta$ is given by
$\theta = \frac{S}{r}$
where S is the arc length and r is the radius. The problem says that the truck drove for 2600 m, so this corresponds to the total arc length covered by the tire: $S=2600 m$ . Using the information about the radius, $r=0.35 m$ , we find the total angular displacement:
$\theta = \frac{2600 m}{0.35 m} =7428 rad$

2) If we put larger tires, with radius $r=0.60 m$ , the angular displacement will be smaller. We can see this by using the same formula. In fact, this time we have:
$\theta = \frac{2600 m}{0.60 m}=4333 rad$

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3 years ago

An electric generator converts kinetic energy into -------- energy.

pickupchik [31]

The correct answer to the question is : Electric energy

EXPLANATION :

As per the question, we have an electric generator.

Before coming into any conclusion, first we have to understand the function of generator.

The generator is attached to the turbine. When the turbine rotates, the generator also starts rotating with it. Thanks to electromagnetic induction, the electricity is produced in the coil attached to the generator when it rotates.

Hence, from above, it is obvious that kinetic energy is converted into electric energy.

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3 years ago

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A technician wishes to determine the wavelength of the light in a laser beam. To do so, she directs the beam toward a partition

Nana76 [90]

Answer:

λ = 5.656 x 10⁻⁷ m = 565.6 nm

Explanation:

Using the formula of fringe spacing from the Young's Double Slit experiment, which is given as follows:

$\Delta x = \frac{\lambda L}{d}\\\\\lambda = \frac{\Delta x\ d}{L}$