Assume that a uniform magnetic field is directed into this page. If a proton is released with an initial velocity directed from the bottom edge to the top edge of the page, which of the following describes the direction of the resultant force acting on the proton?
a. into the page
c. to the right
b. to the left
d. out of the page
B
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Consider a main-sequence star, a white dwarf, a neutron star, and the singularity of a black hole. Which of the following lists them in the correct order of increasing density (low to high)?
A) main sequence star, white dwarf, neutron star, black hole singularity B) main sequence star, neutron star, white dwarf, black hole singularity C) black hole singularity, main sequence star, white dwarf, neutron star D) main sequence star, black hole singularity, neutron star, white dwarf
How tightly the nucleons in a nucleus are bound together is indicated by the nucleus's __________
Fill in the blank(s) with correct word
A common depositional feature of shoreline topography is a
a. spit. b. guyot. c. seamount. d. sea arch.
At Mach 10, if all the energy of a meteorite went into heating the meteorite, its temperature would be about
A. 300C B. 6000C c. 30,000 c D. 100,000 C