Franco asked in Science & MathematicsPhysics · 10 months ago

Help me physics plz?

The electric field 1.22 m from charge is 1570 N/C, pointing

toward the charge. What is the

charge.

+ or -

2 Answers

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  • MyRank
    Lv 6
    10 months ago

    Given,

    Electric field (E) = 1570N/C

    Distance (d) = 1.22m

    Charge (Q) =?

    We know that:-

    Electric field (E) = KQ/d²

    = charge (Q) = Ed²/K = 1570 x (1.22)² / 9 x 10⁹

    = 259.6 x 10⁻⁹C ≈ 260 x 10⁻⁹C

    ∴ Charge (Q) = 260nc.

  • NCS
    Lv 7
    10 months ago

    The charge is negative (-).

    field E = kQ / d²

    so here

    -1570 N/C = 8.99e9N·m²/C² * Q / (1.22m)²

    means that

    Q = -2.60e-7 C = -260 nC

    Hope this helps!

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