If the kinetic energy of a particle is 3.00 times its rest energy, the speed of the particle is closest to which of the following values?
A) 0.984c B) 0.950c C) 0.968c D) 0.990c E) 0.976c
Question 2
A series circuit consists of a 50-Hz ac source, a 50- resistor, a 0.50-H inductor, and a 60-F capacitor. The rms current in the circuit is measured to be 3.1 A. What is the voltage amplitude of the source?
A) 220 V B) 160 V C) 510 V D) 180 V E) 270 V