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lubasha [3.4K]
1 year ago
11

A proton is released from rest at the origin in a uniform electric field in the positive x direction with magnitude 850 N/C. Wha

t is the change in the electric potential energy of the proton-field system when the proton travels to x=2.50m? (a) 3.40 × 10⁻¹⁶ J(b) -3.40 × 10⁻¹⁶ J(c) 2.50 × 10⁻¹⁶ J (d) -2.50 × 10⁻¹⁶ J(e) -1.60 × 10⁻¹⁹ J
Physics
1 answer:
Gwar [14]1 year ago
3 0

A proton is released from rest at the origin in a uniform electric field in the positive x direction with magnitude 850 N/C. The change in the electric potential energy of the proton-field system when the proton travels to x = 2.50m is -3.40 × 10⁻¹⁶ J (Option B)

<h3 /><h3>How is the change in electric potential energy of the proton-field system calculated?</h3>

  • Work done on the proton =Negative of the change in the electric potential energy of the proton field
  • In the given case, W = -qΔV
  • -W = qΔV
  • = qEcosθ
  • Therefore, work done on the proton = -e(8.50×10^2 N/C)(2.5m)(1)
  • = -3.40×10^-^1^6 J
  • Any change in the potential energy indicates the work done by the proton.
  • Therefore the positive sign shows that the potential energy increases when the proton does the work.
  • The negative sign shows that the potential energy decreases when the proton does the work.

To learn more about electric potential energy, refer

brainly.com/question/14306881

#SPJ4

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