# Two men/women in absolutely identical conditions have two of the exact same water................why are they different?

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Two men/women in absolutely identical conditions have two of the exact same water bottles (full of water).
An hour passes, and the temperatures of the water inside the bottles are measured.
The temperature of one of the bottles is noticeably higher than the temperature of the other.
Assuming that the temperature of the setting they were in, as they were both the same, had to do with the change in temperature of the water, why are they different?

posted Feb 22, 2019

When you shake up the bottle, it causes friction which causes the temperature to rise. This is what happened.

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