{"id":1497,"date":"2025-12-07T08:03:51","date_gmt":"2025-12-07T07:03:51","guid":{"rendered":"https:\/\/control-advent.com\/?p=1497"},"modified":"2025-12-07T08:03:53","modified_gmt":"2025-12-07T07:03:53","slug":"07-two-candles-for-the-perfect-cup-of-punch","status":"publish","type":"post","link":"https:\/\/control-advent.com\/?p=1497","title":{"rendered":"07 – Two candles for the perfect cup of punch?"},"content":{"rendered":"\n

Elf Elfis is in charge of keeping a pot of warm punch cozy for the elves\u2019 winter party. The punch is heated by placing candles under the pot.<\/p>\n\n\n\n

He knows that when the room temperature is 22\u202f\u00b0C and he places one candle under the pot, the punch reaches 32\u202f\u00b0C. Elf Merry-Linn explained that the punch loses heat to the room at a rate proportional to the square of the difference between the punch temperature and the room temperature.<\/p>\n\n\n\n

Curious to see the effect of more heat, Elfis decides to place two candles under the pot.<\/p>\n\n\n\n

What will the temperature of the punch then approximately be with two candles under it?<\/p>\n\n\n\n

a. \ud83c\udf21\ufe0f\ud83e\udd44\u2744\ufe0f 31\u202f\u00b0C<\/p>\n\n\n\n

b. \ud83d\udd25\u2615\u2728 32\u202f\u00b0C<\/p>\n\n\n\n

c. \ud83d\udd6f\ufe0f\u2603\ufe0f\ud83c\udf89 33\u202f\u00b0C<\/p>\n\n\n\n

d. \u2615\ud83c\udf84\u2744\ufe0f 34\u202f\u00b0C<\/p>\n\n\n\n

e. \ud83c\udf81\ud83d\udd6f\ufe0f\u2728 35\u202f\u00b0C<\/p>\n\n\n\n

f. \u2744\ufe0f\ud83d\udd25\u2615 36\u202f\u00b0C<\/p>\n\n\n\n

g. \ud83e\udd73\u2603\ufe0f\ud83d\udd6f\ufe0f 37\u202f\u00b0C<\/p>\n\n\n\n

h. \ud83c\udf1f\u2615\ud83c\udf81 38\u202f\u00b0C<\/p>\n\n\n\n

i. \ud83d\udd6f\ufe0f\ud83c\udf89\u2744\ufe0f 39\u202f\u00b0C<\/p>\n\n\n\n

j. \u2615\ud83d\udd25\ud83c\udf1f 40\u202f\u00b0C<\/p>\n\n\n

\n\t\t\t\t\t\t\t

<\/p><\/div>

<\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div><\/div><\/div><\/div>
Choose an option:<\/div>