« previous next »

Author Question: The primary source of the Sun's energy is A) oxidation of carbon in the core. B) dark energy. ... (Read 146 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
The primary source of the Sun's energy is
 
  A) oxidation of carbon in the core.
  B) dark energy.
  C) gravitational collapse of the helium towards the core.
  D) the weak force creating energy from uranium decay.
  E) the strong force fusing hydrogen into helium.

Question 2

The escape speed at the event horizon of a black hole is c, 300,000 km/sec.
 
  Indicate whether the statement is true or false


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

A Dark Nebula A Dark Nebula
A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there
Functional Groups of Carbon Functional Groups of Carbon
carbon cycle carbon cycle
In the reaction C(s) + O2(g) CO2(g) carbon is __________. In the reaction C(s) + O2(g) CO2(g) carbon is __________.
chemistry homework help energy related chemistry homework help energy related
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library