What is the resonance frequency of a series ac circuit consisting of a 40.0 ?F capacitor, a 55-? resistor, and a 0.030 H inductor?
A) 0.15 kHz
B) 0.9 kHz
C) 6.9 kHz
D) 6 kHz
A
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A system of 3 masses is located as follows: m1 = m0 at (0, L), m2 = 2m0 at the origin, and m3 = 3m0 at (3L, 0). Where is the center of mass of these masses
A. L/6, 3L/2 B. 5L/6, 3L/2 C. 2L/13, 5L/6 D. 3L/2, L/6
In silica glass (SiO2), there is no long-range order, but there is ______________-range order.
Fill in the blank(s) with the appropriate word(s).
A child riding on a swing, Andrea, rises to a height 1.0 m above the lowest point. Another child of equal mass, Brian, has a speed at his lowest point that is twice as great as Andrea's speed at her lowest point. Brian will rise
A. twice as high. B. four times as high. C. to the same height. D. to a height which depends on the mass.
Planet Z-34 has a mass equal to one-third that of Earth and a radius equal to one-third that of Earth
With g representing, as usual, the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the surface of Z-34 is A) g/3. B) 3 g. C) 6 g. D) g/9. E) 9 g.