A particle of charge q > 0 is moving at speed ʋ in the + z -direction through a region of uniform magnetic field B → . The magnetic force on the particle is F → = F 0 (3 î + 4 ĵ ), where F 0 is a positive constant, (a) Determine the components B x , B y , and B z . or at least as many of the three components as is possible from the information given, (b) It it is given in addition that the magnetic field has magnitude 6 F 0 / qʋ , determine as much as you can about the remaining components of B → .
A particle of charge q > 0 is moving at speed ʋ in the + z -direction through a region of uniform magnetic field B → . The magnetic force on the particle is F → = F 0 (3 î + 4 ĵ ), where F 0 is a positive constant, (a) Determine the components B x , B y , and B z . or at least as many of the three components as is possible from the information given, (b) It it is given in addition that the magnetic field has magnitude 6 F 0 / qʋ , determine as much as you can about the remaining components of B → .
A particle of charge q > 0 is moving at speed ʋ in the +z-direction through a region of uniform magnetic field
B
→
. The magnetic force on the particle is
F
→
= F0(3î + 4ĵ), where F0 is a positive constant, (a) Determine the components Bx, By, and Bz. or at least as many of the three components as is possible from the information given, (b) It it is given in addition that the magnetic field has magnitude 6F0/qʋ, determine as much as you can about the remaining components of
B
→
.
Consider the situation in the figure below; a neutral conducting ball hangs from the ceiling by an insulating string, and a charged insulating rod is going to be placed nearby.
A. First, if the rod was not there, what statement best describes the charge distribution of the ball?
1) Since it is a conductor, all the charges are on the outside of the ball. 2) The ball is neutral, so it has no positive or negative charges anywhere. 3) The positive and negative charges are separated from each other, but we don't know what direction the ball is polarized. 4) The positive and negative charges are evenly distributed everywhere in the ball.
B. Now, when the rod is moved close to the ball, what happens to the charges on the ball?
1) There is a separation of charges in the ball; the side closer to the rod becomes positively charged, and the opposite side becomes negatively charged. 2) Negative charge is drawn from the ground (via the string), so the ball acquires a net negative charge. 3)…
answer question 5-9
Chapter 27 Solutions
University Physics with Modern Physics, Volume 2 (Chs. 21-37); Mastering Physics with Pearson eText -- ValuePack Access Card (14th Edition)
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