Two tiny metal spheres are fixed to the ends of a non-conducting string of length
. Equal charges, +q, are placed on the metal spheres. Randall says that the force on the string has magnitude
. Tilden says that the tension in the string has magnitude
style="vertical-align: -22px;" width="71px" height="59px" align="absmiddle" />. Which one, if either, is correct?
A.
B.
C.
D.
E.
Answer: E
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A. Distant galaxies appear red in color as their light passes through dust. B. The temperature of distant galaxies is decreasing. C. The spectral lines of the galaxies are shifted to redder wavelengths. D. Distant galaxies appear red in color due to having older stars. E. None of these choices is correct.
The particles in Saturn's E ring probably come from volcanic eruptions on Enceladus
Indicate whether the statement is true or false
The magnetic quantum number can have any integer value ranging from
A) -n to +n. B) -? to +?. C) 0 to n. D) 0 to ?. E) ? to 2? + 1.
An astronomer would find a type Ia supernova in a distant galaxy useful as a(n) ____
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