The discussion revolves around a thermal physics problem involving latent heat and the melting of ice. Participants are exploring the energy calculations required to determine the final temperature after ice melts into water, considering the energy absorbed and released during the phase change.
There is ongoing exploration of the calculations, with some participants questioning the assumptions made about the final temperature and the correctness of the energy expressions used. Guidance has been offered regarding potential errors in signs and the need to verify calculations against the equations.
Participants are working under the constraints of a homework assignment, which may limit the information available for the problem. There is a focus on ensuring all ice melts and the implications of the final temperature on the calculations.
Should be greater than 0DoItForYourself said:
What calculations do I need to do?Chestermiller said:
Your expression for Q3 has the wrong sign.Cici2017 said:
T＝4.05Chestermiller said:
Good. When you substitute this back into your equations, does this satisfy them?Cici2017 said:
um... not quite. I got Q1+Q3=26025.75 and Q2=24878.7Chestermiller said:
Cici2017 said:
As you found, this is not right. Please post your working.Cici2017 said:
I followed the logic in my attempt. Is that wrong or is there something wrong in my calculation?haruspex said:
Did you correct the sign error pointed out in post #6?Cici2017 said:
