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Author Question: A person coughs when a foreign object is in the windpipe. The velocity of the cough depends on the ... (Read 42 times)

darbym82

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on: Jun 16, 2021
A person coughs when a foreign object is in the windpipe.  The velocity of the cough depends on the size of the object.  Suppose a person has a windpipe with a  radius.  If a foreign object has a radius r, in mm, assume that the velocity V, in mm/second, needed to remove the object by a cough is given by
V(r) = k(18r2 - r3),   0 ≤ r ≤ 18, 
where k is some positive constant.  For what size object is the maximum velocity needed to remove the object?  Round answer to the nearest tenth, if necessary.
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Calculus and Its Applications ¦ Bittinger, Ellenbogen, Surgent ¦ 11th Edition
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Marked as best answer by darbym82 on Jun 16, 2021

jasonq

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Reply #1 on: Jun 16, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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darbym82

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Reply 2 on: Jun 16, 2021
Thanks for the timely response, appreciate it

parshano

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Reply 3 on: Yesterday
Wow, this really help

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