This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A possible spike in the number of impacts in the inner solar system about 4 billion years ago may ... (Read 94 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
on: Jul 27, 2018
A possible spike in the number of impacts in the inner solar system about 4 billion years ago may have mostly likely been due to
 
  A) the passage of another star close to the Sun
  B) planetary migration caused by the shifting of the orbits of the Jovian planets
  C) the giant collision that formed the Moon
  D) the breakup a planet to form the asteroid belt

Question 2

How much power does a sphere with a radius of 10 cm radiate if is has an emissivity e = 1.0 and is kept at a temperature of 400 K? The Stefan-Boltzmann constant is 5.67  10-8 W/(m2K4).
 
  A) 60 W
  B) 70 W
  C) 180 W
  D) 210 W
  E) 360 W


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


tichca

  • Member
  • Posts: 554
Reply 2 on: Jul 27, 2018
Wow, this really help

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

The bicarbonate buffer system The bicarbonate buffer system
Renal System Renal System
The respiratory system The respiratory system
The location of the major limbic system structures. In general, they are arrayed near the midline in ... The location of the major limbic system structures. In general, they are arrayed near the midline in ...
What Happens to Incoming Solar Radiation? What Happens to Incoming Solar Radiation?
Effects of the Autonomic Nervous System Effects of the Autonomic Nervous System
Video: Introduction to Autism

For a complete list of videos, visit our video library