At any angular speed, a certain uniform solid sphere of diameter D has half as much rotational kinetic energy as a certain uniform thin-walled hollow sphere of the same diameter when both are spinning about an axis through their centers
If the mass of the solid sphere is M, the mass of the hollow sphere is A) 3/5 M.
B) 5/3 M.
C) 5/6 M.
D) 6/5 M.
E) 2 M.
D
Physics & Space Science
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Fill in the blank(s) with correct word
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Luminosity is
A) the total amount of light energy that star emits into space. B) the stars apparent brightness. C) the stars particular color spectrum output. D) the stars total infrared output.
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Each element in a column of the periodic table
A. has the same size. B. has the same nuclear properties. C. has the same electron configuration. D. has the same nuclear charge.
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The magnetic field amplitude in an electromagnetic wave in vacuum is related to the electric field amplitude by B =
A.
.B.
.C.
E.
D.
.E.
cE.
Physics & Space Science