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Author Question: If an object feels cold to the touch, the only statement that you can make that must be correct is ... (Read 160 times)

P68T

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on: Jul 28, 2018
If an object feels cold to the touch, the only statement that you can make that must be correct is that
 a. the object has a smaller coefficient of thermal conductivity than your hand. b. the volume of the object will increase while it is in contact with your hand. c. the object contains less thermal energy than your hand. d. the object is at a lower temperature than your hand. e. the object cannot be a liquid.

Question 2

A 100-kg student eats a 200-Calorie doughnut. To burn it off, he decides to climb the steps of a tall building. How high (in m) would he have to climb to expend an equivalent amount of work? (1 food Calorie = 103 calories.)
 a. 273
  b. 623
  c. 418
  d. 854
  e. 8 400


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kthug

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


P68T

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Reply 2 on: Jul 28, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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