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Thermal properties |
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| Nov10-05, 10:18 PM | #1 |
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Thermal properties
Please help me with this one:
A group of students drove from their school at sea level up into the mountains. Upon arriving at the slopes, they discovered that the bags of potato chips they had brought had all burst open. What caused this to happen? |
| Nov10-05, 10:22 PM | #2 |
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What do you think this might have involved?
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| Nov10-05, 10:56 PM | #3 |
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Recognitions:
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You've probably NOT seen many physically significant quantities yet ...
mass, momentum, Force, Energy, Torque, angular momentum ... Which do you think might be the culprit? |
| Nov11-05, 02:52 AM | #4 |
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Thermal propertiesOn high altitudes, the air is thinner, so the pressure is lower than at sea level. If the pressure is lower, the air inside my potato chip bags is higher. So, the air will come out and burst, out they go. But then, the air in the bags should be cold since we are on the mountains. So the pressure drops in the bag...How then can it burst? I have went up mountains before. And, instead of chips, I took with me a bottle of fizzy drink. The funny thing is that, when I open it, in the mountains, the gas never comes out. There is no fizzing sounds.
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| Nov11-05, 10:47 AM | #5 |
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| Nov11-05, 06:58 PM | #6 |
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In other words, pressure, P is inversely proportional to V. Is that it? |
| Nov11-05, 10:46 PM | #7 |
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| Nov11-05, 11:36 PM | #8 |
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Thats interesting, as potatoe chip bags dont burst when your in an airplane, granted there not at atmospheric pressure, but they are pressurized below normal atmospheric pressure. I wonder how it would compare to the elevation of the mountain they were on.
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| Nov12-05, 04:35 AM | #9 |
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| Nov12-05, 09:22 AM | #10 |
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| Nov13-05, 02:55 AM | #11 |
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| Nov13-05, 03:14 AM | #12 |
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