A protonmoves from a locationwhere V = 81 V to a spotwhere V = -42 V. (a) What i

Question

A protonmoves from a locationwhere V = 81 V to a spotwhere V = -42 V. (a) What is the change in the proton's kinetic energy?
J

(b) If we replace the proton with an electron, what is the changein kinetic energy?
J
A protonmoves from a locationwhere V = 81 V to a spotwhere V = -42 V. (a) What is the change in the proton's kinetic energy?
J

(b) If we replace the proton with an electron, what is the changein kinetic energy?
J
A protonmoves from a locationwhere V = 81 V to a spotwhere V = -42 V. (a) What is the change in the proton's kinetic energy?
J

(b) If we replace the proton with an electron, what is the changein kinetic energy?
J
A protonmoves from a locationwhere V = 81 V to a spotwhere V = -42 V. (a) What is the change in the proton's kinetic energy?
J

(b) If we replace the proton with an electron, what is the changein kinetic energy?
J
(a) What is the change in the proton's kinetic energy?
J

(b) If we replace the proton with an electron, what is the changein kinetic energy?
J

Explanation / Answer

Let W be the potential W=V*q. energy is conserve so W+K=const. so W1+K1=W2+K2 K=W1-W2=(V1-V2)*q=123q=2e-17J. b) if it is an electron then q=-1,6e-19 so K=-2e-17J

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