What is the inductive reactance of a 200 mH inductor attached to a 120 V rms 60.0 Hz source?
A. 12.0 
B. 75.4
C. 188 
D. 940
E. 24.0
B. 75.4
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For the wave described by 
, determine the first positive x coordinate where y is a maximum when t = 0.
A. 16 m B. 8 m C. 4 m D. 2 m E. 13 m
If the velocity of a bicycle rider decreases from 37.0 mi/h to 7.0 mi/h in 5.0 min, his average acceleration is
a) -6.0 mi/h/min b) -8.3 mi/h/min c) 1.7 mi/h/min d) -6.7 mi/h/min
Due to the dust in the interstellar medium, a distant star will appear to an observer on Earth to be
a. brighter and cooler than it really is. b. brighter and hotter than it really is. c. fainter and cooler than it really is. d. fainter and hotter than it really is. e. unchanged in brightness or apparent color.
When a load is placed on a properly arched structure, compression
A) weakens the structure. B) strengthens the structure. C) neither of these