Wednesday 30 April 2014

Physics

Can you answer thses questions please



Subject: Physics – Physics--Other

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How much for answers these questions, please? and Can you answer all these questions for today?



(CH 10)



1- Draw a large circle. Now, place the major surface pressure and wind belts of the world at their appropriate latitudes?





2- Explain how and why the average surface pressure features shift from summer to winter?





3- Why is it impossible on the earth for a Hadley cell to extend from the pole to the equator?





5- Most of the United States is in what wind belt?





10- Why is the polar front jet stream stronger in winter than in summer?





11- Explain the relationship between the general circulation of air and the circulation of Ocean currents?



(CH 9)



1- Describe the various scales of motion, and give an example of each?





3- What causes wind gusts?





4- How does mechanical turbulence differ from thermal turbulence?





7- A friend has just returned from a trans - Atlantic jet aircraft flight and reported that the plan dropped about 1000 m when it entered an" air pocket." Explain to your friend what apparently happened to case this drop?





12- What are the necessary conditions for the development of large wind waves?





13- How can a coastal area have heavy waves on a clear, nonstormy day?





15- Using a diagram, explain how a thermal circulation develops?





16- Which wind will most likely produce clouds: a valley breeze or a mountain breeze? why?





17- Explain why chinook winds are warm and dry?





19- What atmospheric conditions contribute to the development of a strong Santa Ana wind warm?





20- How do strong katabatic winds form?





23- Discuss the factors that contribute to the formation of the summer monsoon and the winter monsoon in India?





24- An upper wind direction is reported as 315 o. From what compass direction is the wind blowing?





27- If you are standing directly south of a smoke stack and the wind from the stack is blowing over your head, what would be the wind direction?

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