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Question1

-What would be direction of the surface winds that would exist in the tropics, mid-latitudes, and Polar Regions if the earth were rotating backward? Describe why the winds would be that direction.

-Would the Hadley, Ferrel, and Polar overturning cells be any different of a backward-rotating earth? Why or why not?

-Where might the equatorial cold tongue be in the tropical Pacific on a backward-rotating earth? Why did you choose this location?

Question2

A sample of radioactive isotopes holds two different nuclides, labeled A and B. Initially, the sample contains same number of nuclei A as B (i.e. the sample composition is A/B = 1). The half-life of A is 3 hours and that of B is 6 hours. What is the expected composition of sample after 18 hours? That is, what would be the value of the ratio A/B between number of nuclei of type A and B?

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Category:- Physics
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