B Conceptual Question 19.6 Course Home Scores Condants 1 Periodkc Table PartA Th

Question

B Conceptual Question 19.6 Course Home Scores Condants 1 Periodkc Table PartA Three particles enter the same uniform magnetic fGold as shown in the figure(Figure 1) Particles 1 and 3 have equal speeds and charges of the same magnitude eText Study Area Course Materials What can you say about the charges of the paricles? Check all that apply 0) positve (1) positive (3) negative (2) zero (1) negative (2) postive Figure Submit Previoss Answers Request Ans X Incorrect, Try Again;6 attempts remaining Part B

Explanation / Answer

magnetic force Fb = q*( v X B )

for particle 1 when enters in to magnetic field

the force is directed downward Fb = -fj

-Fj = q*(vi x Bk ) = q*v*B( i x K )     (i X k ) = -j

q is positive

for particle 2 when enters in to magnetic field

the force =

0 = q*(vi x Bk ) = q*v*B( i x K )     (i X k ) = -j

as v and B are not 0

q is zero

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for particle 3 when enters in to magnetic field

the force is directed upward Fb = Fj

Fj = q*(vi x Bk ) = q*v*B( i x K )     (i X k ) = -j

Fj = -q*(vi X Bk) = qvB j

q is negative

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part(A)

(1) positive

(2) zero

(3) negative

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