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

Author Question: Which of the following correctly describes the conditions under which you will feel weightless, ... (Read 28 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
Which of the following correctly describes the conditions under which you will feel weightless, according to general relativity?
 
  A) any time you are traveling through space at constant speed
  B) any time your worldline is perfectly straight
  C) any time your worldline is following the straightest possible path through spacetime
  D) any time you are very far from any planet
  E) You can never be truly weightless.

Question 2

Which of the following cannot be described by a field?
 
  A) gravitational forces
  B) electrical forces
  C) magnetic forces
  D) radiation pressure



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

adammoses97

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

D





 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library