A 300-A•h battery can deliver how many coulombs starting from a full charge?
a. 4.8 × 10^3
c. 7.2 × 10^5
b. 4.3 × 10^4
d. 1.1 × 10^6
D
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Which one of the diagrams below is not a possible electric field configuration for a region of space which does not contain any charges?
A.
B.
C.
D.
E.
The excited state of a certain atom is 3.2 eV ± 0.21 eV. (a) What is the average lifetime of this state? (b) If the excited energy doubled (6.4 eV ± 0.21 eV) how would the lifetime be affected?
What will be an ideal response?
As a sinusoidal wave’s wavenumber increases, the wave’s wavelength (in a non-dispersive medium)
A. Increases. B. Decreases. C. Does not change.
The force of gravity is an inverse square law. This means that, if you double the distance between two large masses, the gravitational force between them _________________.
Fill in the blank(s) with the appropriate word(s).