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Question
The rotational inertia of a solid uniform sphere about a diameter is (2/5)MR2, where Mis its mass and Ris its radius. If the sphere is pivoted about an axis that is tangent to its surface, its rotational inertia is:A) MR2
B) (2/5)MR2
C) (3/5)MR2
D) (5/2)MR2
E) (7/5)MR2
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
The intensity of the microwave background radiation, a remnant of the big bang:
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B) is least in directions toward the center of the galaxy
C) is proportional to the reciprocal of the distance from us
D) is proportional to the square of the distance from us
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Q:
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Q:
Any meson is a combination of:
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C) one quark and two antiquarks
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Q:
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Q:
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Q:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
A) the energy of the least energetic electron before it is ejected
B) the energy of the least energetic electron after it is ejected
C) the energy of the most energetic electron before it is ejected
D) the energy of the most energetic electron after it is ejected
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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Q:
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Q:
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B) 0.22mc2
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Q:
A particle with zero mass and energy Ecarries momentum:
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Q:
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Q:
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Q:
Pi mesons at rest have a half-life of T.If a beam of pi mesons is traveling at a speed of, the distance in which the intensity of the beam is halved is:
Q:
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Q:
Figure (i) shows a double-slit pattern obtained using monochromatic light. Consider the following five possible changes in conditions:
1) decrease the frequency
2) increase the frequency
3) increase the width of each slit
4) increase the separation between the slits
5) decrease the separation between the slits
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B) 5 only
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D) 1 and 5 only
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Q:
The resolving power of a telescope can be increased by:
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B) increasing the lens diameters
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D) inserting a correction lens between objective and eyepiece
E) none of the above
Q:
Light of wavelength 480 nm falls on a slit of width 3.5 m. What is the relative intensity (that is, the value of I/Im) of the diffraction pattern at an angle of 18?
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E) 1.0
Q:
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