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A n e l ec t r on t r a v e li ng ho r i z on t a ll y w it h a s p ee d v 0 = 1 . 5 × 10 7 m/ s e n t e r s a un i f o r m , v e r ti ca l e l ec t r i c f i e l d c r ea t e d by t w o oppo s it e l y c h a r g e d p a r a ll e l p l a t e s a s s ho w n i n Fi gu r e . T he e l ec t r i c f i e l d b e t wee n t he p l a t e s h a s a m a gn it ude of E = 2 . 0 × 10 4 N / C . T he s e p a r a ti on b e t wee n t he p l a t e s i s s = 1 . 0 c m , a nd t he v e r ti ca l d e f l ec ti on of t he e l ec t r on a s i t p a ss e s b e t wee n t he p l a t e s i s d = 0 . 60 c m . ( a ) W h a t i s t he po t e n ti a l d i ff e r e n c e b e t wee n t he p l a t e s ? ( b) W h i c h p l a t e i s a t t he h i gh e r vo lt a g e ? ( c ) T h r ough w h a t po t e n ti a l d i ff e r e n c e do e s t he e l e c t r on t r a v e l a s i t p a ss e s b e t wee n t he p l a t e s ? ( d) W h a t i s t he s p ee d of t he e l ec t r on a s i t l ea v e s t h e a r e a b e t wee n t he p l a t e s ?


  An electron traveling horizontally with a speed v0 = 1.5×107 m/enters a uniform, vertical electrifield created by two oppositely charged parallel plateashown inFigureThe electric field betweethe plates has a magnitude of = 2.0 ×104 N/CThe separation between the platei= 1.0 cm, and the vertical deflection of theelectron ait passes between the plateid = 0.60 cm.


(a) What is the potential difference between the plates?

 (b) Which plate iat the higher voltage?

 

 (c) Through what potential difference doethe electron travel ait passes between the plates?

  (d) What ithe speed of the electron ait leavethe area between the plates?


Grade:10

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