Problem #40 chapter 18 A proton and an electron are moving due east in a constan

Question

Problem #40 chapter 18 A proton and an electron are moving due east in a constantelectric field that also points due east. The electric filed has amagnitude of 8.0 x 10^4 N/C. Determine the magnitude of theacceleration of the proton and the electron. How do i solve this problem, i don't know where tostart. Problem #40 chapter 18 A proton and an electron are moving due east in a constantelectric field that also points due east. The electric filed has amagnitude of 8.0 x 10^4 N/C. Determine the magnitude of theacceleration of the proton and the electron. How do i solve this problem, i don't know where tostart.

Explanation / Answer

We know that            F =Eq         m a = E q Where           E = Electricfield           q = Chargeof Proton or electron           m = mass ofelectron or proton For electron        ==> m a = E * q        ==> a = E q / m                   = 8.0 x 104 * 1.6 x 10-19 / 9.1 x10-31                   = 1.406 x 1016 m/s2 Similarly for proton              a = 8.0 x 104 * 1.6 x 10-19 / 1.67 x10-27       = 7.664 x 1012m/s2

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