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A -50 nC charged particle is in a uniform electric field E⃗ = (30 V/m ,...

A -50 nC charged particle is in a uniform electric field E⃗ = (30 V/m , east). An external force moves the particle 4.0 m north, then 6.0 m east, then 7.0 m south, and finally 5.0 m west. The particle begins and ends its motion with zero velocity.

How much work is done on it by the external force?

What is the potential difference between the particle's final and initial positions?

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Answer #1

This problem is based on workdone by electric force as explained below..

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