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Author Question: The specific heat of soil (average value) is one-fourth of a calorie per gram degree Celsius. ... (Read 58 times)

Kikoku

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on: Jul 28, 2018
The specific heat of soil (average value) is one-fourth of a calorie per gram degree Celsius. Explain why water is a better moderator of temperature than soil.

Question 2

Two lightbulbs both operate on 120 V. One has a power of 25 W and the other 100 W. Which lightbulb carries more current?
  1.The dim 25-W lightbulb does.
  2.The bright 100-W lightbulb does.
  3.Both are the same.


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yahahah24021

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

A higher specific heat means it takes more heat (and therefore more time) to raise the
temperature of water by one degree. For example, the Sun will heat soil four times
faster than it will heat water. When the heat source is removed, the soil will cool four
times faster than the water.

Answer to Question 2

2


Kikoku

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

Missbam101

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Reply 3 on: Yesterday
Excellent

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