When a liquid copper-nickel alloy is rapidly cooled, the center of the grains has a higher concentration of nickel atoms than the average concentration. This is _____________.
Fill in the blank(s) with the appropriate word(s).
coring
You might also like to view...
Weight and g: Two planets have the same surface gravity, but planet B has twice the radius of planet A. If planet A has mass m, what is the mass of planet B?
A. m/
B. m
C. m
D. 4m
E. m/4
Based solely on its distance from the Sun, we would expect the surface of Venus to be
A) colder than the Earth such that water would freeze B) warmer than the Earth, but not so warm that liquid water could not exist C) roughly the same temperature as the Earth so that water would mostly be in liquid form D) very much warmer than the Earth such that liquid water could not exist on the surface
Gamma rays travel faster than visible light.
a. true b. false
The electrical force between any two charged objects is
A. always balanced by the action-reaction forces. B. dependent on the sign of the charge on each object. C. always attractive. D. always repulsive.