MasterinqPh,sics Ch (2728) H#s-Gooqle Chrome 0 i Seriire https://sessan.masterin

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MasterinqPh,sics Ch (2728) H#s-Gooqle Chrome 0 i Seriire https://sessan.masteringphysics.com/myctitemView?assignmentproblemiD=851 33856 Ch (27.28) HW#5 Exercise 27.2 a previous | 4 of 33 | next » Exercise 27.2 Part A A particle with a mass of 1.92x10-4 kg carries a negative charge of- 3.70x10 C. The particle is given an initial horizontal velocity that is due north and has a magnitude of 4.32x104 m/s What is the magnitude of the rninimum magnetic field that will keep the particle moving in the earth's gravitational field in the same horizontal, northward direction? Submit My Answers Give Up Part B What is the direction of the minimum magnetic field? west east north south Submit My Answers Give Up ide Feedback Continue O Ask me anything 12:08 PM 93o/2017

Explanation / Answer

A)

F_lorentz = W

B v q = m g

B (4.32 E4) (3.70 E-8) = (1.92 E-4) (9.81)

B = 1.178 T (ans)

B)

east

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