What is the impedance of an AC series circuit that is constructed of a 10.0-W resistor along with 24.0-W inductive reactance and 7.0-W capacitive reactance?
a. 19.7 W
c. 41.0 W
b. 11.2 W
d. 27.7 W
A
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A particle is moving at 0.75c relative to a lab on Earth. By what percentage is the Newtonian expression for its momentum in error? (The percentage error is the difference between the erroneous and correct values, divided by the correct one)
A) 34% B) 28% C) 38% D) 43%
Two satellites with equal rest masses are traveling toward each other in deep space. One is traveling at 0.550c and the other at 0.750c
The satellites collide and somehow manage to stick together. What is the speed of the combined object after the collision? A) 0.150c B) 0.113c C) 0.175c D) 0.100c E) 0.311c
Excited atomic states that last for a relatively long time are called
A. laser states. B. metastable states. C. amplification states. D. radiation states. E. cascading states.
The kinetic energy of an electron in orbit in hydrogen is _______ times its potential energy.
A. 1 B. -1 C. 1/2 D. -1/2 E. 2