During a medical exam, a patient\'s systolic blood pressure is measured to be 13

Question

During a medical exam, a patient's systolic blood pressure is measured to be 130 mm Hg. This is the gauge pressure of the blood inside the patient's arteries. a. patient is located at sea level when the reading is taken. what is the absolute pressure inside the patient's arteries, in [mm Hg] b. If the patient located on the summit of Maunakea (air pressure = 0.63 atm) when the reading is taken, what is the absolute pressure inside the patient's arteries. in [mm Hg]? A car tire is measured to have a gauge pressure of 250 kPa. The tire is located at sea level. It has an equal interior and exterior surface area of 0.56 m^2 (assuming that the wall of the tire itself is negligibly thin). a. What is the outward force acting on the inside of the tire wall (caused only by air and inside the tire)? b. What is the net force acting on the wall of the tire (net caused by air both inside and outside of the tire)?

Explanation / Answer

a) absolute pressure = atmospheric pressure + gauge pressure

= 760 mm of Hg + 130 mm of Hg

= 890 mm of Hg ans

b) when atmospheric pressure is 0.63 atm

0.63 atm= 0.63 x 760 mm of Hg =478.8 mm of Hg

now

absolute pressure = 478.8 mm of Hg + 130 mm of Hg

= 608.8 mm of Hg ans

please post one question at a time. thanks

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