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Why is the water in a cauldron that runs from 100 °C at the bottom to 70 °C at the top only 80 °C on average, not 85?
日本語版の動画は準備中です(英語版を表示しています)
読み込み中…
Weighted average
State the formula, show that a constant averages to for any weight, and give the share-price example as its discrete version.
Heating energy by horizontal disks
Set up the disk volume for the cauldron , integrate , and convert to about kcal.
Volume-weighted average temperature of C
Divide by the volume , and compare with the height average C, noting where most of the water sits.