Warmup 25: Newton's Law of Heating and Cooling

Course

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IN:
The first three questions refer to the material you were to read in preparation for the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. Questions 4 is your opportunity to suggest what we should emphasize today and how.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button at the bottom of this page.


1.

If energy is delivered to a cup of water at a constant rate of 100 Watts, its T vs t curve would look like:

  1. Graph A
  2. Graph B
  3. Graph C
  4. Graph D
  5. None of the above


2.

A temperature probe is placed in a container containing 100g of cooking oil, which is then placed in boiling water. The temperature vs time curve for the oil as it reaches the same temperature as the boiling water would look like:

  1. Graph A
  2. Graph B
  3. Graph C
  4. Graph D
  5. None of the above

3.

If you then took the oil from the boiling water and allowed it to cool to room temperature, its T vs t curve would look like:

  1. Graph A
  2. Graph B
  3. Graph C
  4. Graph D
  5. None of the above

 



4. Below is a space for your thoughts, including general comments about today's assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.):




You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button.

I received no help from anyone on this assignment.