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dybincka [34]
3 years ago
10

In a few sentences, compare and contrast pressurized water reactors and boiling water reactors.

Physics
2 answers:
kondaur [170]3 years ago
6 0
For pressurized water reactors the coolant is not permitted to boil in the core of the PRW, however the coolant in boiling water reactors is permitted to do so in the core of BWR. Pressurized water reactors have an indirect cycle. Whereas, the boiling water reactors go through a direct cycle. Both are light water reactors. 
Mama L [17]3 years ago
5 0

Explanation:

The main difference between the pressurized water reactors and boiling water reactors is in the process of generation of steam. A boiling water reactor uses a single water circuit to produce steam directly while a pressurized  water reactor produces steam indirectly using two water circuits. In a boiling water reactor steam is directly produced by boiling the water coolant while in pressurized reactor the heat from the reactor core is used.

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A block of mass m slides on a horizontal frictionless surface. The block is attached to a spring with a spring constant K. At th
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Answer:

b) a = -k / m x , c) d²x / dt² = - A w² cos (wt+Ф) , d) and e)  T = 2π √m / k

h)   a = - A w² cos (wt+Ф)

Explanation:

a) see free body diagram in the attachment

b) We write Newton's second law

          Fe = m a

          -k x = ma

           a = -k / m x

c) the acceleration is

         a = d²x / dt²

     

      If x = A cos wt

        v = dx / dt = -A w sin (wt +Ф)

        a = d²x / dt² = - A w² cos (wt+Ф)

d) we substitute in Newton's second law

        d²x / dt² = -k / m x

   

We call

       w² = k / m

e) substitute to find w

     -A w² cos (wt+Ф) = -k / m A cos (wt+Ф)

      w² = k / m

Angular velocity and frequency are related

       w = 2π f

       f = 1 / T

       

 We substitute

      T = 2π / w

      T = 2π √m / k

g)    v= - A w sin (wt+Ф)

h) acceleration is

       a = - A w² cos (wt+Ф)

8 0
3 years ago
When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused b
defon

Answer:

correct option is A. Resonance

Explanation:

solution

vibrations in the tube are caused by the Resonance because Resonance cause of sounds production in the musical instrument

As if resonance ( hollow cylindrical tube) immerse in  cylinder of water and force in to vibration by tuning fork

As tines of tuning fork vibrate at natural frequency and it create sound wave that impinged up on opening of resonance tube

so correct option is A. Resonance

8 0
3 years ago
A group of students were investigating the force of gravity. They began by dropping a foam ball from a height of 3 meters into a
kondaur [170]

Answer:B

Explanation:

4 0
3 years ago
A dog runs to chase a ball. He travels 6m in 3.2 seconds. How fast is the dog running?
Artyom0805 [142]
So v=d/s so the answer is 6/3.2 so the answer is 1.87m/s
4 0
3 years ago
What atmospheric gas is common in the outer planets but rare in the inner planets
Degger [83]

Answer:

hydrogen

Explanation:

3 0
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