If the momentum of an electron is 1.53 MeV/c, what is its kinetic energy?
A. 1.53 MeV
B. 1.02 MeV
C. 1.44 MeV
D. 1.10 MeV
E. 2.59 MeV
D. 1.10 MeV
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A comet's tail ________.
A. always trails behind the comet B. is gas and dust expelled from the comet's nucleus by the Sun's heat and radiation pressure C. is composed mainly of captured particles from the solar wind D. is gas and dust pulled off the comet by the Sun's gravity
If you are measuring the mass of a small glass of milk, the most appropriate SI unit is the
A) megagram. B) kilogram. C) gram. D) milligram. E) microgram.
For relaxed viewing with a microscope or a telescope, the eyepiece is adjusted to place the image at
A) the near point of the eye. B) the pupil of the eye. C) the focal point of the eyepiece. D) infinity. E) the focal point of the objective lens.
A nonuniform linear charge distribution given by ?(x) = bx, where b is a constant, is distributed along the x axis from x = 0 to x = +L. If b = 40 nC/m2 and L = 0.20 m, what is the electric potential (relative to a potential of zero at infinity) at the point y = 2L on the y axis?
a. 19 V b. 17 V c. 21 V d. 23 V e. 14 V