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###### Fall 2018 Physic 122 An a-particle has a charge of +2e and a mass of 6.64...

Fall 2018 Physic 122 An a-particle has a charge of +2e and a mass of 6.64 x 10 kg. It is accelerated from rest and attains a final kinetic energy equal to 6.5 x 10 1 J. It then enters a uniform magnetic field whose magnitude is 2.15 T. The ?-particle moves perpendicular to the magnetic field at all times. Calculate the radius of the circular path inside the magnetic field. [Note: q-2e-3.2 x 101, C] Parallel plate capacitor ii (into screen) 0-128 0.112 m 0.148 0,135 m 0,103 2) A charge of 60 HC flows through capacitor C2 Calculate the voltage V at the terminas A and B C1-12 p F C2 15 u F C4236 ? F C4 250V 26,5 |24.0 v 22.6 v 23.5 3) Three charged particles ql, q2 and q3 are arranged on three corners of a rectangle as shown in the diagram below. The rectangle has dimensions X by Y. The values of the charges are as indicated. Calculate the Electrostatic Potential (V) at the top left corner P 8.2 q3 X cm Y cm 3.0 q2 -5.1 ? c x H C 1.06 Mev 1.19 Mev 1.23 Mev 1.13 Mev 1.28 Mev

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