Asked by Anonymous
The pressure P at the bottom of a swimming pool varies directly as depth of water. If the pressure is 125 paacal when the water is 2m deep ,find the pressure when it 4.5 meters deep.
Answers
Answered by
Damon
That is basically wrong because you are ignoring the atmospheric pressure of the air above the water so the variation is NOT DIRECT
p = k x
but linear
p = patmosphere + k x
but if we ignore the physics and do it the way the math people want you to do it then
P at 4.5 m = 125 *4.5/2 = 281
p = k x
but linear
p = patmosphere + k x
but if we ignore the physics and do it the way the math people want you to do it then
P at 4.5 m = 125 *4.5/2 = 281
Answered by
because?
because the gravity falls asleep in the World Series game and I have been there since before I'll see if you want me to do it for the day before yesterday was the last one was there
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