Question

Constants Part A A uniform electric field exists in the region between two oppositely charged plane parallel plates. A proton is released from rest at the surface of the positively charged plate and strikes the surface of the opposite plate, 1.60 cm distant from the first, in a time interval of 2.30x10-6 s Find the magnitude of the electric field. Express your answer with the appropriate units. E- 15.8 Submit Previous Answers Request Answer X Incorrect; Try Again; 13 attempts remaining Part B Find the speed of the proton when it strikes the negatively charged plate. Express your answer with the appropriate units. IA u# 1 Value Units
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Answer #1

This is a simple problem based upon laws of motion and coulmbs law

Givon, Protom is nelcose from nest. So, imihal veloch- distamce bet wcen rlate) J.coom l. cokid Change of Pnotom q lGxo kimamctic distance l: ut + ¼al2. Here as u=o So, L-al2ラaccelera/L01 2 a. L) Also. om meustons second lau suistitaing all valus idEnte) -2 2. 24 5.341 Xl0 0.6313x10:63, 13 v = 8.161 x 10 31 s the mogmitute of chetric hetd is esuu ta 12- 2L Susti tabing all valies กา 2.3 0 x1Sec so, the speed ol proton İs izqi3 x 101 mm/sec

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