« previous next »

Author Question: The equivalence principle says that a person in an elevator that is in freefall feels the same ... (Read 21 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Jul 27, 2018
The equivalence principle says that a person in an elevator that is in freefall feels the same acceleration as
 
  A) a person in an elevator going up with an acceleration of g.
  B) a person in space, far from any gravitational source accelerating at g.
  C) a person in an elevator going down with an acceleration of g.
  D) a person in space, far away from any gravitational source with no acceleration.
  E) a person in orbit of Earth accelerating at g upward.

Question 2

If you are located in the Northern Hemisphere, which of the following correctly describes a relationship between the sky and your location?
 
  A) The altitude of the north celestial pole equals your latitude.
  B) The altitude of the celestial equator equals your latitude.
  C) The altitude of the north celestial pole equals your longitude.
  D) The longitude of the north celestial pole is circumpolar, and therefore crosses your zenith at the meridian.


nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
A person with a defective "P" gene might only have it effect the Hair A person with a defective "P" gene might only have it effect the Hair
A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ... A basic principle of symbolic interactionism is that meaning is not inherent in an object or event, ...
Principle of a microcytotoxicity assay. Principle of a microcytotoxicity assay.
Scheme of the principle of the fluorescent in situ hybridization to localize a gene in the nucleus. Scheme of the principle of the fluorescent in situ hybridization to localize a gene in the nucleus.
Gestalt Principle: Proximity Gestalt Principle: Proximity
Video: Kidney Stones

For a complete list of videos, visit our video library