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Two proton are seperated by a distance 10^-15m. A-What is the ratio of electric and gravitational...

Two proton are seperated by a distance 10^-15m.
A-What is the ratio of electric and gravitational force between them.
B- When they are released, calculate their acceleration.
(Charge of proton: 1,6x10^-19 C and mass of proton: 1,6x10^-27 kg. G=6,67x10^-11 MKS)

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