An isotope is simply an atom that
A) is electrically charged.
B) has different numbers of neutrons for the same element.
C) both of these
D) neither of these
Answer: B
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A ball is thrown horizontally from the top of a tower at the same instant that a stone is dropped vertically. Which object is traveling faster when it hits the level ground below if we neglect air?
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Determine the rms voltage drop across the resistor in the circuit
a.
55 V
b.
77 V
c.
9.9 V
d.
5.5 V
e.
61 V