Series Resonance: A series circuit consists of a 0.440-H inductor, a 380.0-? resistor, a 5.70-?F capacitor, and an ac voltage source of amplitude 250.0 V. Find the rms voltage across the capacitor when the circuit operates at resonance.
Fill in the blank(s) with the appropriate word(s).
129 V
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A ______________________ universe is Sun centered
Fill in the blank(s) with correct word
Suppose a jet is cruising at a constant velocity due east. At the instant the jet is above your head, what is the direction of the jet’s angular momentum around you? Choose from the possible directions presented in problem C7T.3, remembering that this is a top view, with A corresponding to north, C to east, and so on. 
A. A B. B C. C D. D E. Upward F. Downward T. (The vector is zero)
Marcia places a lead block and an iron block on the table, and hits both of them with the same force. The lead block is twice as massive as the iron block. The acceleration of the lead block is
A) half that of the iron block. B) a quarter of that of the iron block. C) equal to that of the iron block. D) two times that of the iron block. E) four times that of the iron block.
To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the time is 2.3 s, what is the height of the bridge?
A) 10 m B) 14 m C) 26 m D) 32 m E) 52 m