The mineral calcite comes from what type of non-
silicate mineral group?
a) oxide minerals
b) sulfide minerals
c) carbonate minerals
d) feldspar minerals
c
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An inductor has a current I = 0.5A cos[( 275 s-1 ) t] . The maximum emf across the inductor is equal to 0.5 V. What is the self-inductance of the inductor?
A) 4.37 mH B) 3.64 mH C) 2.75 mH D) 0.73 mH E) 1.43 mH
The rate of expansion of the universe is currently increasing
Indicate whether the statement is true or false
Length Contraction: You are a passenger on a spaceship. As the speed of the spaceship increases, you will observe
A. the length of your spaceship getting shorter. B. the length of your spaceship getting longer. C. the length of your spaceship is zero. D. no change in the length of your spaceship.
If a nucleus decays by alpha decay to a daughter nucleus, which of the following statements about this decay are correct? (There may be more than one correct choice.)
A) The daughter nucleus has more neutrons than the original nucleus. B) The daughter nucleus has more protons than the original nucleus. C) The daughter nucleus has fewer protons than the original nucleus. D) The daughter nucleus has the same number of nucleons as the original nucleus. E) The daughter nucleus has fewer neutrons than the original nucleus.