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28-02-2020
Physics

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The aorta is the main artery from the heart. a typical aorta has an inside diameter of 1.8 cm and carries blood at speeds of up to 35. cm/s. What is the speed of the blood if plaque on the artery's walls has reduced its diameter by 50%?

Respuesta :

01-03-2020

Answer:

Explanation:

Volume per unit time flowing will be conserved

a₁v₁ = a₂ v₂

π r₁² x v₁ = π r₂² x v₂

(0.9 x 10⁻²)² x .35 = ( .45 x 10⁻² )² x v₂

v₂ = 1.4 m / s

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