The apparent coefficient of expansion of a liquid when heated in a copper vessel is
Cand when heated in a silver vessel is 5.
If A is the linear coefficient of expansion
of copper, then the linear coefficient of
expansion of silver
is
a) (C+S-3A)/3
b) (C + 3A -S)/3
c) (S+3A-C)/3
d) (C+S+3A)/3

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

What was the first instrument to ever record an earthquake?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive