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Stells [14]
2 years ago
14

Move the red arrow onto the picture to show how you think warm air would move over this area of land and water on a dark cold ni

ght.
Move the blue arrow onto the picture to show how you think cold air would move over this area of land and water on a dark cold night.
Physics
2 answers:
Bess [88]2 years ago
7 0
There’s no pictures?
Rus_ich [418]2 years ago
6 0
Where is the picture?
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What are greenhouse gasses? How does carbon dioxide enter the atmosphere? (Site 1)
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Answer:

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Explanation:

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If you walk 30 meters forwards, and then turn around and walk 25 meters backwards, what is the distance that you walked? What di
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Given :

Walk in forward direction is 30 m .

Walk in backward direction is 25 m .

To Find :

The distance and displacement .

Solution :

We know , distance is total distance covered and displacement is distance between final and initial position .

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5 0
3 years ago
A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil cont
EastWind [94]

Answer:

The number of turns in secondary coil is 4000

Explanation:

Given:

Current in primary coil I_{P} = 500 A

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In case of transformer the relation between current and number of turns is given by,

     \frac{N_{S} }{N_{P}  } = \frac{I_{P} }{I_{S} }

For finding number of turns in secondary coil,

     N_{S} = \frac{I_{P} }{I_{S} }  N_{P}

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     N_{S} = 4000

Therefore, the number of turns in secondary coil is 4000

5 0
3 years ago
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Expansion work against constant external pressure: w=-pex Δ Δ V 3. The attempt at a solution . I tried following that. Because Vf>>Vi, and Vf=nRT/pex, then w=-pex x nRT/pex=-nRT (im assuming n is number of moles of CO2?). 1 mole of CaCO3 makes 1 mole of CO2, so plugging in numbers, I get 8.9kJ, although I dont use the 1 atm pressure at all
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3 years ago
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