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Olegator [25]
2 years ago
9

Circle the letter that corresponds to the best answer. 24. In order for trade between two countries to take place, _____. (LO3)

Physics
1 answer:
Triss [41]2 years ago
8 0

Answer:

B) Comparative advantage is necessary

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A Young's interference experiment is performed with blue-green laser light. The separation between the slits is 0.500 mm, and th
gizmo_the_mogwai [7]

Answer:

λ = 5.2 x 10⁻⁷ m = 520 nm

Explanation:

From Young's Double Slit Experiment, we know the following formula for the distance between consecutive bright fringes:

Δx = λL/d

where,

Δx = fringe spacing = distance of 1st bright fringe from center = 0.00322 m

L = Distance between slits and screen = 3.1 m

d = Separation between slits = 0.0005 m

λ = wavelength of light = ?

Therefore,

0.00322 m = λ(3.1 m)/(0.0005 m)

λ = (0.00322 m)(0.0005 m)/(3.1 m)

<u>λ = 5.2 x 10⁻⁷ m = 520 nm</u>

5 0
3 years ago
When a wire moves through a magnetic field, an electric current is produced in the wire. Why does this phenomenon occur?
Alenkasestr [34]

Answer:

<h2>It occurs whenever a magnetic field and an electric conductor move relative to one another so the conductor crosses lines of force in the magnetic field. </h2>

Explanation:

<h3>The current produced by electromagnetic induction is greater when the magnet or coil moves faster, the coil has more turns, or the magnet is stronger.</h3>

<h2>Carryonlearning </h2>
4 0
2 years ago
What is electrical resistivity? What is its unit? Describe an experiment to study the factors on which the resistance of conduct
krok68 [10]
Electrical resistance is an objects ability to resist or oppose current which means its resistance is defined as ohms since that is the person who discovered it. And an experiment to study this would be a multimeter in a circuit testing current and change the material of the wire allowing you to see the change in current due to change in resistance
5 0
3 years ago
Why should a rain gauge be raised 30cm above the ground​
Mrrafil [7]

Explanation:

The rain gauge is normally placed in the ground, leaving the top of the funnel above ground – about 30 cm above the ground so that it can collect water into the container or jar. ... Rain gauges should be placed in an open area where there are no buildings, trees, or other obstacles to block the rain.

5 0
3 years ago
Read 2 more answers
The atomic mass of an atom (in amu) is equal to
ycow [4]
Atomic mass = protons + neutrons

So the total number of protons and neutrons
5 0
3 years ago
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