Asked by alex
trying to study but stuck with this one.
Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of each sphere is 4.62 x 10-6 kg. The gravitational force that each sphere exerts on the other is balanced by the electric force. Determine the charge magnitude.
Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of each sphere is 4.62 x 10-6 kg. The gravitational force that each sphere exerts on the other is balanced by the electric force. Determine the charge magnitude.
Answers
Answered by
Elena
F(el)=k•q²/r²
k =9•10^9 N•m²/C²
F(gr) =G•m²/r²
G =6.67•10^-11 N•m²/kg²,
k•q²/r² = G•m²/r²,
q =sqrt(G•m²/k)
k =9•10^9 N•m²/C²
F(gr) =G•m²/r²
G =6.67•10^-11 N•m²/kg²,
k•q²/r² = G•m²/r²,
q =sqrt(G•m²/k)
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