Between a pair of equal and opposite charges, field lines are
A) directed from positive to negative.
B) more concentrated closer to the charges.
C) vectors, with patterns that stem from the inverse-square law.
D) all of the above
E) none of the above
Answer: D
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Fill in the blank(s) with the appropriate word(s).
If the total energy of an electron in an accelerator is three times its rest energy, what is its speed? (c = 3.00 × 10^8 m/s)
a. 2.00 × 10^8 m/s b. 1.30 × 10^8 m/s c. 1.41 × 10^8 m/s d. 2.98 × 10^8 m/s e. 2.83 × 10^8 m/s
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What will be an ideal response?