This topic contains a solution. Click here to go to the answer

Author Question: The astronauts feel weightless in the International Space Station, which orbits the Earth once every ... (Read 31 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
The astronauts feel weightless in the International Space Station, which orbits the Earth once every 90 minutes. Why?
 
  A) because they are moving so fast
  B) because the gravity from the Moon cancels out the gravity from Earth
  C) because they and the space station are both falling around the Earth
  D) because there is no gravity in space

Question 2

What happens when the gravity of a massive star is able to overcome neutron degeneracy pressure?
 
  A) Gravity is not able to overcome neutron degeneracy pressure.
  B) The core contracts and becomes a black hole.
  C) The core contracts and becomes a white dwarf.
  D) The star explodes violently, leaving nothing behind.
  E) The core contracts and becomes a ball of neutrons.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

C

Answer to Question 2

B




ENagel

  • Member
  • Posts: 540
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

For a complete list of videos, visit our video library