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djverab [1.8K]
3 years ago
9

Noah modeled a layer of the sun by showing how particles of rice move up and down in boiling water. Which layer of the sun did N

oah model? Convective zone Inner core Photosphere Radiative zone
Physics
2 answers:
mart [117]3 years ago
5 0
The layer would be the CONVECTIVE ZONE. The convective zone is named as such because of that is the layer where convection occurs. Convection is the type of heat transfer where heat goes up and circles back down to be heated as seen with a pot of boiling water with rice. 

The rice heats up, along with the water and it goes up. When it touches the cold air, it cools down and travels back down, which will be heated again. 
FrozenT [24]3 years ago
4 0

Answer:

The answer is A. Convection Zone

Hope This Helps!

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Can a goalkeeper at his goal kick a soccer ball into the opponent’s goal without the ball touching the ground? The distance will
zmey [24]

The goalkeeper at his goal cannot kick a soccer ball into the opponent’s goal without the ball touching the ground

Explanation:

Consider the vertical motion of ball,

We have equation of motion v = u + at

     Initial velocity, u  = u sin θ

     Final velocity, v =  0 m/s    

     Acceleration = -g

     Substituting

                      v = u + at  

                      0 = u sin θ - g t

                      t=\frac{usin\theta }{g}

This is the time of flight.

Consider the horizontal motion of ball,

        Initial velocity, u =  u cos θ

        Acceleration, a =0 m/s²  

        Time, t=\frac{usin\theta }{g}  

     Substituting

                      s = ut + 0.5 at²

                      s=ucos\theta \times \frac{usin\theta }{g}+0.5\times 0\times (\frac{usin\theta }{g})^2\\\\s=\frac{u^2sin\theta cos\theta}{g}\\\\s=\frac{u^2sin2\theta}{2g}

This is the range.

In this problem

              u = 30 m/s

              g = 9.81 m/s²

              θ = 45° - For maximum range

Substituting

               s=\frac{30^2\times sin(2\times 45)}{2\times 9.81}=45.87m

Maximum horizontal distance traveled by ball without touching ground is 45.87 m, which is less than 95 m.

So the goalkeeper at his goal cannot kick a soccer ball into the opponent’s goal without the ball touching the ground

6 0
3 years ago
A car's fuel economy is 30 mpg. a warning light is displayed if the remaining distance that can be driven before the car runs ou
Alchen [17]
So 10 gallons of gas would let you travel 300 Miles. 

x gallons = 50 Miles

10 : 300 :: x : 50 

x = 500/300

x = 1.66667 gallons. 

So, the car would run 10 - 1.6666 gallons = 8.33 gallons.

After that, the warning light turns ON! 

Hope this helps!!
7 0
3 years ago
Read 2 more answers
PLEASE HELP!!
dedylja [7]
Pretty sure it’s A. Hope this helps.
4 0
2 years ago
You decide to ride your bike for 30 minutes, raising your heart rate to the middle of your target heart rate zone. What type of
a_sh-v [17]
It would have to be cardio i think not totally sure
4 0
3 years ago
Read 2 more answers
How long does it take a glass of salt water to freeze than a glass of fresh water
max2010maxim [7]
A glass of salt water will take a slightly longer time & slightly lower temperature (28 F as compared to 32 F for fresh water)  to freeze than a glass of fresh water. 

Hope this helps!
6 0
3 years ago
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