Momentum and CollisionHard

Question

During blood transfusion the needle is inserted in a vein where the gauge pressure is 2000 Pa. At what height must the blood container be placed so that blood may just enter the vein ? [Density of whole blood = 1.06 × 103 kg m-3].

Options

A.0.192 m
B.0.182 m
C.0.172 m
D.0.162 m

Solution

Pressure P = hρg ⇒ h = = 0.192m

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