x Masteri VitemView?assignmentProblemID-50673653 particle having massxP Pandora

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x Masteri VitemView?assignmentProblemID-50673653 particle having massxP Pandora Internet Radic Chapter 20-Google Chrome https://session.mastering Signed in as Kyara Espinales He2 Resources previous 1 of 12 I ne haptes 20 Probiem 20.4 Eastward Problem 20.4 My Answers Give Up A particle having a mass of 0.200 g carries a charge of-2.35x10-8 C.The partice is given an intiai horzontal northward velocity of 4.00 101 m/s Correct Part B What are the magnitude of the minimum magnetic field that will balance the earth's gravitational pull on the particle? B 20.85 Submit My Answers Give Incorrect; Try Again; 2 attempts remaining ontinue TOSHIBA BACK 8 9 0

Explanation / Answer

In this case gravitation force on the charge particle is balanced by magnetic force on it.

Hence,

Fg=Fb

m*g= qvBsinq

B= (mg)/(qv) = (0.200*10^-3*9.8)/(2.35*10^-8*4*10^4*sin90) =2.085 T

Note that m=0.200g= 0.200*10^-3kg

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