When a magnetic field causes a charged particle to move in a circular path, the only quantity listed below which the magnetic force changes significantly as the particle goes around in a circle is the particle's:
a. energy.
b. momentum.
c. radius for the circle.
d. time to go around the circle once.
b
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Most star names, such as Aldebaran and Betelgeuse, are___ in origin
a. Latin b. Greek c. Arabic d. English e. Italian
An excited atom can lose energy by emitting an electron
a. True b. False Indicate whether the statement is true or false
A positively charged particle has a velocity in the negative z direction at point P. The magnetic force on the particle at this point is in the negative y direction. Which one of the following statements about the magnetic field at point P can be determined from this data?
a. Bx is positive. b. Bz is positive. c. By is negative. d. By is positive. e. Bx is negative.
Remanent magnetism refers to the magnetism of rocks that contain the mineral named ______________
Fill in the blank(s) with correct word