When you suddenly stand up after lying down for a while, your bodymay not compen

Question

When you suddenly stand up after lying down for a while, your bodymay not compensate quickly enough for the pressure changes and youmight feel dizzy for a moment. (a) If the gauge pressure of the blood at yourheart is 12.52 kPa and your bodydoesn't compensate, what would the pressure be at your head,40.6 cm above your heart? 1 4205.008 X Your response differs significantly from thecorrect answer. Rework your solution from the beginning and checkeach step carefully. kPa (b) If the gauge pressure of the blood at your heart is12.52 kPa and your body doesn'tcompensate, what would it be at your feet, 1.30 102 cm below your heart?Hint: The density of blood is 1060 kg/m3. 2 kP

Explanation / Answer

a) The pressure at our head is P = Po -gh                                              = 12.52*103Pa - (1060kg/m3)(9.8m/s2)(0.406m) b) The pressure at the feet is P = Po + gh                                           = 12.52*103Pa +(1060kg/m3)(9.8m/s2)(1.3m)

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