Aperson coughs when a foreign object is in the windpipe. the velocity of the cough depends on the size of the object. supppose a person has a windpipe with a 20-mm radius. if a foreign object has a radius r, in millimeters, then the velocity v, in millimeters/second, needed to remove the object by a cough is given by:

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

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Human geography is the same as culture. true false