Two parallel flat planes of positive charge are separated by a distance d. Plane 1 has charge density 1 and plane 2 has a charge density 2. 1> 2.
(a) In the region between the planes, the magnitude of the electric field is (b) In the region outside the planes the magnitude of the electric field is
Question 2
Salt water is more dense than fresh water. A ship floats in both fresh water and salt water. Compared to the fresh water, the volume of water displaced in the salt water is
A)
more.
B)
less.
C)
the same.
D)
Cannot be determined from the information given.
The human birth process as an example of positive feedback.
Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer
The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium.
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