Author Question: What do we mean by the orbital energy of an orbiting object (such as a planet, moon, or satellite)? ... (Read 99 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
What do we mean by the orbital energy of an orbiting object (such as a planet, moon, or satellite)?
 
  A) Orbital energy is the sum of the object's kinetic energy and its gravitational potential energy as it moves through its orbit.
  B) Orbital energy is the object's kinetic energy as it moves through its orbit.
  C) Orbital energy is a measure of the object's speed as it moves through its orbit.
  D) Orbital energy is the amount of energy required for the object to leave orbit and escape into space.

Question 2

Stellar parallax provides concrete proof that the
 
  A) Earth rotates on its axis
  B) Earth is roughly spherical
  C) Earth moves around the Sun
  D) Moon moves around the Earth



cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

azncindy619

  • Hero Member
  • *****
  • Posts: 562
Both answers were spot on, thank you once again




 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library