milanjordan9598 milanjordan9598

17-02-2020
Physics

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What is the magnitude of a point charge in coulombs whose electric field 58 cm away has the magnitude 2.8 N/C?

Respuesta :

ohiekulous ohiekulous

17-02-2020

Answer:

q = 1.05 × 10^-10 C

Explanation:

E = 2.8 N/C

r = 58cm = 0.58m

k = 9×10^9

q = ?

E = f/q

E = kq/r²

q = E*r²/k

q = (2.8×0.58²)÷9×10^9

q = 1.05 × 10^-10 C

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