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Bumek [7]
3 years ago
5

Can someone re-word this please??

Physics
1 answer:
Nataliya [291]3 years ago
8 0
Russian nesting dolls are an amazing comparison for the strongest magnet in the world, because the magnitis were inserted inside each other. The magnets would be adapted so they could be put together, Because they are closer, the coils of the magnet would be tougher. The magnets would be able to magnetize better.
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If the labor force of 155 million people is growing by 1.2 percent per year, how many new jobs have to be created each month to
ololo11 [35]
1.2 percent of 155 million is 1,860,000. Divide that by 12 (for twelve months of the year) and get 155,000. That's the answer. 155,000.
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4 years ago
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In this electric motor, an electric current causes the coil to rotate changing
Degger [83]
Direct rotation is your answer .-.
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4 years ago
Why does a heating element get hot upon passing current through it? ...?
Irina18 [472]
<span>In school we learn that some materials carry electricity well, others badly. The good carriers of electricity are called conductors, while the poor carriers are known as insulators. Conductors and insulators are often better described by talking about how much resistance they put up when an electric current flows through them. So conductors have a low resistance (electricity flows through them easily) while insulators have a much higher resistance (it's a real struggle for the electricity to get through). In an electric or electronic circuit, we can use devices called resistors to control how much current flows; using a dial to increase the resistance and lower the current in a loudspeaker circuit is a way of turning down the volume, for example. Resistors work by converting electrical energy to heat energy; in other words, they get hot when heat flows through them. But it's not just resistors that do this. Even a thin piece of wire will get hot if you force enough electricity through it. That's the basic idea behind incandescent lamps (old-fashioned, bulb-shaped lamps). Inside the glass bulb, there's a very thin coil of wire called a filament. When enough electricity flows through it, it glows white hot—so it's really making light by making heat. Around 95 percent or so of the energy a lamp like this uses is turned into heat and completely wasted (using an energy-saving fluorescent lamp is far more efficient, because most of the electricity the lamp consumes is converted into light with hardly any wasted heat).</span>
5 0
3 years ago
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Because of a higher moisture content, air is better conductor of charge in the summer than in the winter. Would you expect the s
Makovka662 [10]

Answer:

Explanation:

It will be more severe during Winter compared to summer because more charges can be accumulated before electric discharge takes place.

8 0
3 years ago
As a summer intern assigned to the Olympics Kayaking committee, you need to determine the speed of water flowing through a rapid
Nookie1986 [14]

Answer:

11.56521 m/s

Explanation:

A_1 = Area of first section = 14\times 2

A_2 = Area of second section = 5\times 0.92

V_1 = Velocity in first section = 1.9 m/s

V_2 = Velocity in second section

From the continuity equation we get

A_1V_1=A_2V_2\\\Rightarrow V_2=\dfrac{A_1V_1}{A_2}\\\Rightarrow V_2=\dfrac{14\times 2\times 1.9}{5\times 0.92}\\\Rightarrow V_2=11.56521\ m/s

The speed of the river through the section of rapids is 11.56521 m/s

5 0
3 years ago
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