« previous next »

Author Question: The primary source of the Sun's energy is A) oxidation of carbon in the core. B) dark energy. ... (Read 154 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?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Glow in the Dark Rabbits Glow in the Dark Rabbits
Primary Groups: Families Primary Groups: Families
Primary steps in fibrinolysis. Primary steps in fibrinolysis.
Kinetic versus Potential Energy Kinetic versus Potential Energy
Atmospheric carbon dioxide concentrations in ppm Atmospheric carbon dioxide concentrations in ppm
Rapid growth in the use of alternative energy seems impressive Rapid growth in the use of alternative energy seems impressive
Video: Introduction to Diabetes

For a complete list of videos, visit our video library