Two particles having equal mass and carrying charger Q and 2Q are separated by a distance...

Question

Question

Answer 1

Answer #1

A) potential by charge Q is V =kQ/(r)

Where k=coulomb constant

B) work needed w = q*V =k*Q*2Q/r

C) from conservation of momentum

Intial total momentum =final total momentum

=> 0= m*v+m*V

=> v & V are equal in magnitude and opposite in direction

From conservation of energy

Electric P.E = K.E1+K.E2

=> k*Q*2Q/r = 2*1/2*m*v^2

=>v^2=2*k*Q^2/m =>v=sqrt (2*k*Q^2/m)

Answer 2

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