« previous next »

Author Question: Venus may have been more Earth-like in the past because A) it was rotating more rapidly B) the ... (Read 27 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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

The Mysterious Arc of Venus The Mysterious Arc of Venus
The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Distance from Earth to Sun schematic Distance from Earth to Sun schematic
Obliquity "Tilt of Earth on its axis" Obliquity "Tilt of Earth on its axis"
The Oceans of Earth The Oceans of Earth
Idealized Tidal Bulges on Earth Idealized Tidal Bulges on Earth
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library