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Introductory Physics Homework Help
Force between two charged particles
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[QUOTE="hk4491, post: 4577767, member: 494572"] [h2]Homework Statement [/h2] Two particles with a similar charge are held at a distance of 3.2*10^-3 m and then released. The acceleration of the first particle is measured at 7.0 m/s^2, and for the second at 9.0 m?s^2. The mass of the first particle is 6.3*10^-7. What is the mass of the second particle? [h2]Homework Equations[/h2] F=ma F=G*m1*m2/r^2 [h2]The Attempt at a Solution[/h2] F1=m1a1 F2=m2a2 (where F1 and F2 are the forces exerted by each particle respectively) F1 - F2 = G*m1*m2/r^2 (since the particles are similarly charged, they would have forces pointing in opposite directions) after substitution and making m2 the subject of the formula: m2 = (m1*a1*r^2)/(Gm1 + a2r^2) which gives: m2 = 4.31*10^-7 I am not so sure if the method I used is completely correct, can someone please tell me? [/QUOTE]
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Introductory Physics Homework Help
Force between two charged particles
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