A charge of 0.80 nC is placed at the center of a cube that measures 4.0 m along each edge. What is the electric flux through one face of the cube?
a. 90 N / m2/C
b. 15 N / m2/C
c. 45 N / m2/C
d. 23 N / m2/C
e. 64 N / m2/C
b
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Wien's Law: If the surface of our bodies is at 37°C, at what wavelength does the radiation that we emit peak if we behave like a blackbody? The constant in Wien's law is 0.0029 m ? K.
Fill in the blank(s) with the appropriate word(s).
Which of the following best represents the energy transformations occurring in a wind-generated power plant?
A) electric ? thermal ? kinetic B) kinetic ? electric ? thermal C) thermal ? kinetic ? electric D) chemical ? thermal ? electric E) kinetic ? thermal ? electric
The dusty ring around Jupiter was discovered in 1979 by ________
Fill in the blank(s) with correct word
An LR circuit is prepared for an experiment, initially with its switch open. The time constant is that time after switch closure at which the energy stored in the inductor reaches what percentage of its final value
A. 63% B. 14% C. 37% D. 40% E. 100%