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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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Explain a lever and a pivot in a full sentence​
worty [1.4K]

Answer:

The lever is a movable bar that pivots on a fulcrum attached to a fixed point. The lever operates by applying forces at different distances from the fulcrum, or a pivot. As the lever rotates around the fulcrum, points farther from this pivot move faster than points closer to the pivot.

IF HELPED MARK AS BRAINLIEST

4 0
3 years ago
Where is a trench most likely to occur?
Dafna1 [17]
D. convergent plate boundary involving an oceanic plate
7 0
4 years ago
Read 2 more answers
A 12kg cheetah accelerates 24 m/s". What is the force the cheetah needed to run?
Kobotan [32]

Answer:

288N

Explanation:

Given parameters:

Mass of Cheetah = 12kg

Acceleration  = 24m/s²

Unknown:

Force needed by the cheetah to run  = ?

Solution:

The force needed by the Cheetah to run is the net force.

According to Newton's law;

    Force  = mass x acceleration

Insert the given parameters and solve;

   Force  = 12 x 24  = 288N

7 0
3 years ago
A 25kg chair initially at rest on a horizontal floor requires 165 N force to set it in motion. Once the chair is in motion, a 12
bazaltina [42]

The coefficient of static friction between the chair and the floor is 0.67

Explanation:

Given:

Weight of the chair = 25kg

Force = 165 N (F_applied)

Force = 127 N (F_max)

To find: Coefficient of static friction  

The “coefficient of static friction” between a chair and the floor is defined as the ration of maximum force to the normal force acting on the chair  

μ_s=F_{max}/F_{n}  

The F_n is equal to the weight multiplied by its gravity

∴F_{n}=mg  

Thus the coefficient of static friction changes as

μ_s=F_{max}/mg

μ_{s} = =165N/((25kg)\times(9.80 m/s^2 ) )

= 0.67

3 0
3 years ago
A light ray incident from medium 1 to medium 2, where n1>n2. When the incident angle exceed the critical angle ac, the refrac
vovikov84 [41]

Explanation:

(a)

Critical angle is the angle at the angle of refraction is 90°. After the critical angle, no refraction takes place.

Using Snell's law as:

n_1\times {sin\theta_i}={n_2}\times{sin\theta_r}

Where,  

{\theta_i}  is the angle of incidence

{\theta_r} is the angle of refraction = 90°

{n_2} is the refractive index of the refraction medium

{n_1} is the refractive index of the incidence medium

Thus,

n_1\times {sin\ \theta_{critical}}={n_2}\times{sin\ 90^0}

The formula for the calculation of critical angle is:

{sin\theta_{critical}}=\frac {n_2}{n_1}

Where,  

{\theta_{critical}} is the critical angle

(b)

No it cannot occur. It only occur when the light ray bends away from the normal which means that when it travels from denser to rarer medium.

7 0
4 years ago
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