P29_002 - sin θ/m e so the angle θ between ~v and ~ B is...

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2. (a) The largest value of force occurs if the velocity vector is perpendicular to the Feld. Using Eq. 29-3, F B, max = | q | vB sin(90 )= evB = (1 . 60 × 10 19 C)(7 . 20 × 10 6 m / s)(83 . 0 × 10 3 T) = 9 . 56 × 10 14 N . The smallest value occurs if they are parallel: F B, min = | q | vB sin(0) = 0 . (b) By Newton’s second law, a = F B /m e = | q | vB
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Unformatted text preview: sin θ/m e , so the angle θ between ~v and ~ B is θ = sin − 1 µ m e a | q | vB ¶ = sin − 1 · (9 . 11 × 10 − 31 kg)(4 . 90 × 10 14 m / s 2 ) (1 . 60 × 10 − 16 C)(7 . 20 × 10 6 m / s)(83 . × 10 − 3 T) ¸ = 0 . 267 ◦ ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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