The lunar escape velocity is ________ Earth's.
A. lower than
B. higher than
C. the same as
D. We have not measured the Moon's escape velocity.
Answer: A
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Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the relatively small amount of charge means a relatively small amount of
A) energy transfer. B) electric field. C) polarization. D) conduction.
Given that 1.00 in. = 2.54 cm, how many square centimeters are in 1.00 square inch?
A) 1.59 B) 2.54 C) 5.08 D) 6.45
Which of the following radiations has the smallest frequency?
a. Infrared b. Visible c. Ultraviolet d. X-rays
What happens to the magnitude of the charge on each plate of a capacitor if the potential difference between the conductors is doubled?
1.It becomes four times larger. 2.It becomes two times larger. 3.It is unchanged. 4.It becomes one-half as large. 5.It becomes one-fourth as large.