katiegardner48461 katiegardner48461
  • 15-04-2020
  • Physics
contestada

How much work does the electric field do in moving a proton from a point with a potential of +145 v to a point where it is -75 v ? express your answer in joules?

Respuesta :

kollybaba55 kollybaba55
  • 20-04-2020

Answer:

Explanation:

The work done by the electric field is given by:

W = qΔV

Since the positive charge moves from higher potential to lower potential, the work done in moving the proton is:

V = -q(V₂ - V₁)

W = -1.6 * 10⁻¹⁹ (-75 - 145)

W = 3.520*10³ * 10⁻²⁰ J

W = 3.520*10⁻¹⁷ J

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