The source of energy for the Hiroshima bomb was basically the same as the source of energy for
A) the sun.
B) nuclear power reactors.
C) hydro-electric plants.
D) other chemical reactions.
E) future fusion reactors.
B
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What are the magnitude and direction of the electric field at a distance of 1.50 m from a 50.0-nC charge?
A) 20 N/C away from the charge B) 20 N/C toward from the charge C) 10 N/C away from the charge D) 200 N/C away from the charge E) 200 N/C toward from the charge
With only two exceptions, if a nucleus contains fewer ______________ than ______________, it is unstable
a. protons; neutrons b. neutrons; protons c. protons; alpha particles d. protons; beta particles
In stainless steel, nickel and chromium atoms form a _____________solid solution in iron.
Fill in the blank(s) with the appropriate word(s).
A 280-lb linebacker running down the field at 7 m/s tackles a 240-lb halfback running up the field at 9 m/s. Will the halfback gain or lose yards after he is tackled?
A. gain B. lose C. neither gain nor lose