In the inductor of a 59-Hz AC series circuit, the peak voltage precedes the peak current in each cycle by what time interval?
a. 1.7E–2 s
b. 4.2E–3 s
c. 8.5E–3 s
d. 3.4E–2 s
e. 6.8E–2 s
b
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Two identical small conducting spheres are separated by 0.60 m. The spheres carry different amounts of charge and each sphere experiences an attractive electric force of 10.8N
The total charge on the two spheres is -24 ?C. The two spheres are now connected by a slender conducting wire, which is then removed. The electric force on each sphere is closest to A) 5.4 N, repulsive. B) zero. C) 3.6 N, attractive. D) 5.4 N, attractive. E) 3.6 N, repulsive.
In the chemistry chapters presented in your
textbook, AM refers to? a) the average mass of all elements taking part in a given reaction. b) the atomic mass of a particular element. c) the total mass present after a reaction has occurred. d) the time during the day prior to 12 o'clock noon.
A +6.0 magnitude star is brighter than a +3.0 magnitude star
Indicate whether the statement is true or false
Jack, a quarterback, imparts a spin with his fingers when he throws the football during a match. The concept of _____ explains why the ball continues to spin rapidly as it flies through the air
A) kinetic energy B) angular momentum C) linear force D) specific gravity