« previous next »

Author Question: Venus may have been more Earth-like in the past because A) it was rotating more rapidly B) the ... (Read 15 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

The open ocean is the most extensive biome on earth. The open ocean is the most extensive biome on earth.
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Earth’s Spheres Earth’s Spheres
Earth’s Mineral Resources Earth’s Mineral Resources
Portion sizes of French fries have more than doubled from the past Portion sizes of French fries have more than doubled from the past
Earth 430 Million Years Ago Earth 430 Million Years Ago
Video: Double Vacuum Process (Illustration No Audio)

For a complete list of videos, visit our video library