Question1if argentinosaurus a long-necked gigantic sauropod, Ask an Expert

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Question1

If Argentinosaurus, a long-necked, gigantic sauropod, had a head height of 19 m and a heart height of 7.9 m, what (hydrostatic) gauge pressure in its blood was required at heart such that the blood pressure at the brain was 80 torr (just enough to perfuse the brain with blood)? Assume the blood had a density of 1.06 103 kg/m3.

Question2

An ideal gas expands from state (P1, V1) to the state (P2, V2), where P2 = 2P1 and V2 = 2V1. The expansion proceeds along straight diagonal path AB. Find out an expression for work done by the gas throughout this process.

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