The change in pressure in a 3-m high classroom from the ceiling to the floor is nearest:
A) 40 Pa
B) 36 Pa
C) 30 Pa
D) 24 Pa
B) 36 Pa
The standard density of air of 1.22 kg/m3 was used. Standard pressure is 100 kPa, and standard temperature is 15ºC. If detailed information is not given, assume standard conditions. The change in absolute pressure and the change in gage pressure are the same.
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