Due to disease the main artery enlarged and the area of cross-section became 1.6 times the previous value. The speed of blood in the un-enlarged artery is 0.4 ms−1 . The excess pressure on the walls of artery due to enlargement is [density of blood is 1060 Kg/m3 ]

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51.675 Pa

21.275 Pa

41.675 Pa

31.275 Pa

answer is A.

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Detailed Solution

A1v1=A2v2 A10.4=1.6A1v2 v2=0.25m/s P2-P1=12ρv12-v22 =1210600.42-0.252 =51.675Pa

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