Homework Help: Physics

Posted by Tracy on Tuesday, March 6, 2012 at 9:51pm.

Which of the following statatements is correct?
a. Thermos bottles keep food warm by combating heat loss through convection.
b. A thick quilt is an example of an isulator with a low R value
c. An object that is cool to the touch at room temperature is a poor conductor of heat
d. Wearing a white shirt on a hot, sunny day keeps you cool because it emits more solar energy than a darker shirt
e. All of th above statements a-d are all correct
f. None of the above statements a-d are all incorrect

Physics - drwls, Wednesday, March 7, 2012 at 12:05am
a. is true, but a Thermos bottle also combats radiative heat loss.

The other statements are false.

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