Help Assignment 2 Begin Date: 2/102018 4:00:00 PM--Due Date: 2/26 2018 11:59:00

Question

Help Assignment 2 Begin Date: 2/102018 4:00:00 PM--Due Date: 2/26 2018 11:59:00 PM End Date: 2/28/2018 11:59:00 PM (5%) Problem 2: Consider two points in an electric field. The potential at point l V. A proton is moved from point 1 to point 2. F1.is 36 V. The potential at point 2, p . is 168 M 33% Part (a) Write an equation for the change of electric potential energy 1U of the proton of the proton e. in terms of the symbols given and the charge 33% Part (b) Solve for the numerical value ofthe change of the electric potential energy in electron volts (eV) Grade Summary Deductious 0% Poteatial 100% 18 9 sin cotan asinO coso tan n ( Attempts remainig: 3 (2% per tille'tapt) delailed view acos) atan() acotan)| sinh() coshtanh cotanho Degrees O Radians Suabenit Hint give up! % deduction per feedback. Hints:-deductxm per hint. Hints retnining: Feedback: Submission History Hints Ferdback Toda 0% | 0% Totals 0% 096 33% Part (c) How much work is done by the electric force during the motion of the proton in J?

Explanation / Answer

a) Change in electric potential energy is defined as the magnitude of charge multiplied by the change in electric potential, that is, = e*delta(V) = e*(V2 - V1) = e*(168 - 36) = e*132 Joules

b) change in potential energy = 132 eV

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