Nuclear Fission and Fusion: The energy radiated by a star, such as the sun, results chiefly from
A. beta decay.
B. alpha decay.
C. fission reactions.
D. fusion reactions.
E. radioactivity.
Answer: D
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In a network thermoset polymer, there is _________-dimensional covalent bonding.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. Equation E18.4 
is also solved by a function f (s), where s = t + x/c.
2. One can in principle create a purely electric traveling electromagnetic wave in empty space 
Compressions and rarefactions are characteristics of
A) longitudinal waves. B) transverse waves. C) both of these D) need more information
A mass on a spring undergoes SHM. When the mass passes through the equilibrium position, its instantaneous velocity
A) is maximum. B) is less than maximum, but not zero. C) is zero. D) cannot be determined without mass information given. E) cannot be determined without spring constant information given.