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cestrela7 [59]
2 years ago
6

Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. Use each word only o

nce.
1. Nuclear fusion of hydrogen into helium occurs in the_______ .
2. Energy moves through the Sun's ________ by means of the rising of hot gas and falling of cooler gas.
3. Nearly all the visible light we see from the Sun is emitted from the_______ .
4. Most of the Sun's ultraviolet light is emitted from the narrow layer called the _______where temperature increases with altitude.
5. We can see the Sun's _______ most easily during total solar eclipses.
6. The _______ is the layer of the Sun between its core and convection zone.
Physics
1 answer:
Schach [20]2 years ago
4 0

The answer to the question are bulleted below

  1. <em>Core</em>
  2. <em>Convection Zone</em>
  3. <em>Photosphere</em>
  4. <em>Chromosphere</em>
  5. <em>Corona</em>
  6. <em>Radiation Zone</em>

1. Nuclear fusion of hydrogen into helium occurs in the core.

2. Energy moves through the Sun's Convection Zone by means of the rising of hot gas and falling of cooler gas.

3. Nearly all the visible light we see from the Sun is emitted from the <u>Photosphere.</u>

4. Most of the Sun's ultraviolet light is emitted from the narrow layer called the Chromosphere where temperature increases with altitude.

5. We can see the Sun's Corona most easily during total solar eclipses.

6. The <u>Radiation Zone</u> is the layer of the Sun between its core and convection zone.

see more here  brainly.com/question/18767319

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See Explanation

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m1(v1) + m2(v2)

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A. Pressure is distributed uniformly throughout the fluid and the area of the plunger is much larger than the area of the opening.

Explanation:

 The question is incomplete, here is a complete question with full options

You are caulking a window. The caulk is rather thick and, to lay the bead correctly, the exit nozzle is small. A caulking gun uses a plunger which is operated by pulling back on a handle. You must squeeze the handle very hard to get the caulk to come out of the narrow opening because:_________.

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B. viscous drag between the walls of the tip and the caulk causes the caulk to swirl around chaotically.

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D. the high density of the caulk impedes its flow through the small opening.

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A particle is moving with velocity v(t) = t2 _ 9t + 18 with distance, s measured in meters, left or right of zero, and t measure
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V = t^2 - 9t + 18

position, s
s = t^3 /3 - 4.5t^2 +18t + C

       t = 0, s = 1 => 1=C => s = t^3/3 -4.5t^2 + 18t + 1

Average velocity: distance / time

   distance: t = 8 => s = 8^3 / 3 - 4.5 (8)^2 + 18(8) + 1 = 27.67 m
   Average velocity = 27.67 / 8 = 3.46 m/s

t = 5 s

     v = t^2 - 9t + 18 = 5^2 - 9(5) + 18 = -2 m/s
     speed = |-2| m/s = 2 m/s
 
Moving right
     V > 0 => t^2 - 9t + 18 > 0
     (t - 6)(t - 3) > 0

     => t > 6 and t > 3 => t > 6 s => Interval (6,8)

    => t < 6 and t <3 => t <3 s => interval (0,3)

    

Going faster and slowing dowm

acceleration, a = v' = 2t - 9
     a > 0 => 2t - 9 > 0 => 2t > 9 => t > 4.5 s
     Then, going faster in the interval (4.5 , 8) and slowing down in (0, 4.5)
     


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