A girl is sitting on the edge of a pier with her legs dangling over the water. Her soles are 80.0 cm above the surface of the water. A boy in the water looks up at her feet and wants to touch them with a reed. (nwater = 1.333.) He will see her soles as being
a. right at the water surface. b. 53.3 cm above the water surface. c. exactly 80.0 cm above the water surface. d. 107 cm above the water surface. e. an infinite distance above the water surface.
Question 2
The image of an object beneath the surface of a medium of refractive index n > 1 is seen in air by a person looking down on the surface. This image, formed by light rays leaving the flat refractive surface, is
a. real and closer to the viewer than the object.
b. virtual and closer to the viewer than the object.
c. real and farther from the viewer than the object.
d. virtual and farther from the viewer than the object.
e. virtual and the same distance from the viewer as the object.
The discovery of aquaporins, water channels made of a transmembrane protein.
The anatomical position: standing erect, gazing straight ahead, arms down at sides, palms facing for
Xeriscaping Conserves Water
a) Lunge with your legs open to the table. b) Avoid lunging with your legs close to table.
This couple is sitting in the grand prize they won for participating in the Day of Conception and ...
A single overhead camshaft engine with a timing belt that also rotates the water pump.