PHYS-102HW-07SOL-SUM-08

PHYS-102HW-07SOL-SUM-08 - PHYS-102 Homework-07 Solutions...

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PHYS-102 Homework-07 Solutions Chapter-22 Magnetic Forces and Fields ______________________________________________________ _ P22.6 G F B = q G v × G B G v × G B = ˆ i ˆ j ˆ k + 2 4 + 1 + 1 + 2 3 = 12 2 () ˆ i + 1 + 6 ˆ j + 4 + 4 ˆ k = 10 ˆ i + 7 ˆ j + 8 ˆ k G v × G B = 10 2 + 7 2 + 8 2 = 14.6 T ms G F B = q G v × G B = 1.60 × 10 19 C 14.6 T = 2.34 × 10 18 N P22.11 In the velocity selector: v = E B = 2500 V m 0.035 0 T = 7.14 × 10 4 . In the deflection chamber: r = mv qB = 2.18 × 10 26 kg ( ) 7.14 × 10
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