High cholesterol in the blood can cause deposits calledplaques on the wall of bl

Question

High cholesterol in the blood can cause deposits calledplaques on the wall of blood vessels. Suppose a plaque reduces theradius of an artery by 25%.How does it affect the speed of bloodthrough the artery ? Please give step by step instructions with solution for MAXpoints High cholesterol in the blood can cause deposits calledplaques on the wall of blood vessels. Suppose a plaque reduces theradius of an artery by 25%.How does it affect the speed of bloodthrough the artery ? Please give step by step instructions with solution for MAXpoints

Explanation / Answer

same thing as the water bottle problem. In this case... .        radius is reduced by25% so        newradius = 0.75 * old radius . and            speed * r2 for old   =   speed* r2 for new .        new speed / oldspeed =   r2 /(0.75r)2    =   1.778 . The speed of the blood in the artery must increase by a factorof    1.778   or    77.8% increase in speed

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