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creativ13 [48]
3 years ago
7

In a nuclear power plant, nuclear reactions are used to heat steam, which turns a turbine. What energy conversion is happening i

n a nuclear power plant?
A.Heat energy to nuclear energy to electrical energy to kinetic energy
B.Nuclear energy to heat energy to kinetic energy to electrical energy
C.Electrical energy to chemical energy to kinetic energy to heat energy
D.Chemical energy to heat energy to kinetic energy to nuclear energy
Physics
2 answers:
mr_godi [17]3 years ago
8 0
In a nuclear power plant, you start off with uranium (nuclear energy), and a lot of that nuclear energy is released by heat energy. Heat then boils water and drives a turbine for a generator, which creates kinetic energy, which produces electrical energy.

In other words, your answer is B.
Lina20 [59]3 years ago
5 0

Answer:

In a nuclear plant is happening the B option. Nuclear energy to heat energy to kinetic energy to electrical energy

Explanation:

1. The first step in a nuclear plant is to generate a nuclear chain reaction, removing nuclear elements from the atoms of enriched substances like uranium 235. This reaction free energy in the form of heat. A lot. NUCLEAR ENERGY

2. The heat should now be dissipated, through a cooling system, that uses water. HEAT ENERGY

3. The water in the cooling system boils and generates steam. The steam moves the turbine. KINETIC ENERGY

4. The turbine rotation generates electrical energy. ELECTRICAL ENERGY

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MariettaO [177]
Rubber is an insulator
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3 years ago
Assume the motions and currents mentioned are along the x axis and fields are in the y direction. (a) does an electric field exe
matrenka [14]
<span> (a) does an electric field exert a force on a stationary charged object? 
Yes. The force exerted by an electric field of intensity E on an object with charge q is
</span>F=qE
<span>As we can see, it doesn't depend on the speed of the object, so this force acts also when the object is stationary.

</span><span>(b) does a magnetic field do so?
No. In fact, the magnetic force exerted by a magnetic field of intensity B on an object with  charge q and speed v is
</span>F=qvB \sin \theta
where \theta is the angle between the direction of v and B.
As we can see, the value of the force F depends on the value of the speed v: if the object is stationary, then v=0, and so the force is zero as well.

<span>(c) does an electric field exert a force on a moving charged object? 
Yes, The intensity of the electric force is still
</span>F=qE
<span>as stated in point (a), and since it does not depend on the speed of the charge, the electric force is still present.

</span><span>(d) does a magnetic field do so?
</span>Yes. As we said in point b, the magnetic force is
F=qvB \sin \theta
And now the object is moving with a certain speed v, so the magnetic force F this time is different from zero.

<span>(e) does an electric field exert a force on a straight current-carrying wire?
Yes. A current in a wire consists of many charges traveling through the wire, and since the electric field always exerts a force on a charge, then the electric field exerts a force on the charges traveling through the wire.

</span><span>(f) does a magnetic field do so? 
Yes. The current in the wire consists of charges that are moving with a certain speed v, and we said that a magnetic field always exerts a force on a moving charge, so the magnetic field is exerting a magnetic force on the charges that are traveling through the wire.

</span><span>(g) does an electric field exert a force on a beam of moving electrons?
Yes. Electrons have an electric charge, and we said that the force exerted by an electric field is
</span>F=qE
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</span><span>(h) does a magnetic field do so?
Yes, because the electrons in the beam are moving with a certain speed v, so the magnetic force
</span>F=qvB \sin \theta
<span>is different from zero because v is different from zero.</span>
6 0
3 years ago
You exert a force of 25 newtons while you move a rock 15 meters. How much work did you perform?
leonid [27]
Work Done = Force x Distance Moved
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4 0
3 years ago
A motorist makes a trip of 180 miles. For the first 90 mph she drives at a constant speed of 30 mph. What constant speed must sh
Likurg_2 [28]
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A bowling ball with a negative initial velocity slows down as it rolls down the lane toward the pins. Is the bowling ballâs acce
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Answer:

positive

Explanation:

The ball is rolling down with a negative velocity, but the velocity is slowing down. therefore the velocity must increase in order for the ball to slow down.

For example let the ball's initial velocity be -15 m/s. and it  is slowing down to let's say -13 m/s. Well this means that it's velocity has increase by 2 m/s. So, its acceleration is positive.

5 0
3 years ago
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