Author Question: How fast would you have to travel in order to reach a star that is 50 light-years away from Earth ... (Read 60 times)

jwb375 · **on:** Jul 29, 2018

How fast would you have to travel in order to reach a star that is 50 light-years away from Earth when you are 40 years older than you were when you left Earth? One light-year is the distance light travels in one year.

A) 0.58c
B) 0.68c
C) 0.78c
D) 0.88c
E) 0.96c

Question 2

A series RLC circuit has a 100- resistor, a 0.100-F capacitor and a 2.00-mH inductor connected across a 120-V rms ac voltage source operating at (1000/) Hz. What is the resonant frequency of this circuit?

A) 70.7 kHz
B) 17.9 kHz
C) 22.5 kHz
D) 35.3 kHz
E) 11.3 kHz