How many neutrons are produced in the induced fission reaction 
neutrons?
A. 2
B. 0
C. 1
D. 3
A. 2
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Defects in crystals increase the energy _________of the x-ray diffraction lines relative to a perfect crystal.
Fill in the blank(s) with the appropriate word(s).
The event horizon marks the boundary within which the density is roughly the same as that of the atomic nucleus
a. True b. False Indicate whether the statement is true or false
For a swinging pendulum, the maximum angle that the pendulum’s string makes with the vertical corresponds to what in the pendulum solution ? = A cos (? t + ?)?
A. A B. ? C. ? D. Something else (specify)
Grandfather clocks are designed so they can be adjusted by moving the weight at the bottom of the pendulum up or down. Suppose you have a grandfather clock at home that runs slow
Which of the following adjustments of the weight would make it more accurate? (There could be more than one correct choice.) A) Raise the weight. B) Lower the weight. C) Add more mass to the weight. D) Remove some mass from the weight. E) Increase the amplitude of swing by a small amount.