To suck lemonade of density 1000 kg/m^3 up a straw to a maximum height of 4.0 cm.?

👨🏻‍🏫 學術台物理學

[匿名]

2016-02-24 4:34 pm

What is the minimum guage pressure you must produce in your lungs.

回答 (1)

andrew

2016-02-24 4:45 pm

Minimum pressure produced in lungs

= density × g × height

= (1000 kg/m³) × (9.8 m/s) × (4.0/100 m)

= 392 N/m²

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