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horrorfan [7]
4 years ago
11

Fill in the blanks with the terms that complete the sentences about nuclear power plants. Without a critical of fissionable mate

rial, a nuclear reaction cannot be sustained. The turbine is powered by .
Physics
2 answers:
Anna71 [15]4 years ago
8 0

On Edge its MASS - STEAM

Olenka [21]4 years ago
7 0
Without a critical MASS of fissionable material, a nuclear reaction cannot be sustained. The turbine is powered by STEAM. I hope this helps.
You might be interested in
Acceleration causes a shift of weight to the ______.
marta [7]
Vehicle weight shifts can be backward forward. In this particular case accelerating to fast would cause a shift of weight backwards. Breaking too quickly on the other hand would cause weight to shift forward. You have seen this while in a car or a bus at the traffic light. As the vehicle breaks you are pulled forward as it starts moving you are pulled backwards.  
7 0
3 years ago
Un bloque de 750 kg es empujado hacia arriba por una pista inclinada 15º respecto de la horizontal. El coeficiente de rozamiento
kotegsom [21]

Answer:

4776.98 N is the minimum force to start the rise.  

Explanation:

We can use the first Newton's law to find the minimum force to move the block.

So we will have:

F-W_{x}-F_{f}=0

Where:

  • F is the force
  • W(x) is the weight of the block in the x direction, W = mg*sin(15)
  • F(f) is the static friction force (F(f) = μN), μ is the static friction coefficient 0.4.

F=W_{x}+F_{f}=mgsin(15)+\mu N

F=mgsin(15)+\mu mgcos(15)

F=mg(sin(15)+\mu cos(15))

F=750*9.81(sin(15)+0.4*cos(15))

F=4776.98 N

Therefore 4776.98 N is the minimum force to move the block.

I hope it helps you!

8 0
3 years ago
The solid steel shaft AC has a diameter of 25 mm and is supported by smooth bearings at D and E. It is coupled to a motor at C ,
Degger [83]

Answer:

Maximum shear stress in region AB=1.04 MPa

Maximum shear stress in region BC=3.11 MPa

Explanation:

The explanation is attached in the attachments.

4 0
4 years ago
1. Explain how a boulder at rest on the ground can actually be moving at the same time.
Mars2501 [29]

Answer:

I don't know about the 1st one but An object at rest stays at rest and an object in motion stays in motion at a constant speed and direction unless acted upon by an unbalanced force. Or maybe its moving because the earth is moving and gravity is pulling it with.

2. Speed is the rate at which something or someone is able to move. Instantaneous Speed - the speed at any given instant in time. Average Speed - the average of all instantaneous speeds; found simply by a distance/time ratio.

3. Speed = distance divided by time or s=\frac{d}{t}. Some units for speed can be miles, kilometres, feet, or metres.

4. Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector.

8 0
3 years ago
The amount of heat required to melt lead at it melting temperature is 23.0 kJ/kg. The amount of heat required to melt mercury at
svet-max [94.6K]

The addition of 24 kJ of energy will allow all of the mercury and lead to change from solid to liquid. The temperature of each substance will also increase.

4 0
3 years ago
Read 2 more answers
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