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.
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Relative Energy Consumption per Person for Selected Countries
Principle Structures of the Limbic System
Gestalt Principle: Continuity
MRI scans of normal elderly person compared to one with Alzheimer's