Author Question: Venus may have been more Earth-like in the past because A) it was rotating more rapidly B) the ... (Read 54 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
Venus may have been more Earth-like in the past because
 
  A) it was rotating more rapidly
  B) the Sun was dimmer, putting out less solar radiation
  C) it was not as close to the Sun
  D) its atmosphere was thinner

Question 2

The temperature coefficient of resistivity of platinum is 3.9  10-3/K. If a platinum wire has a resistance of R at room temperature (23.C), to what temperature must it be heated in order to double its resistance to 2R?
 
  What will be an ideal response?



Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

279. C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library