Physics, 02.01.2020 21:31 kiki4832

So i answered this question and i got it wrong. the correct answer is in red. can someone explain me why the correct answer is 140s/the temperature starts to rise? i don't understand it.

So i answered this question and i got it wrong. the correct answer is in red. can someone explain me

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So i answered this question and i got it wrong. the correct answer is in red. can someone explain me...