1) Two electrons start at rest with a separation of 5

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1) Two electrons start at rest with a separation of 5.0 x 1012 m. Once released, the electrons accelerate away from each other. Calculate the speed of the electron when they are very large distant apart

2)  A wire 50.0 cm long has a mass of 60.0g and carries a current of 15.0 A from north to south. It is located in a uniform magnetic field perpendicular to the wire. Determine the minimum magnetic field strength and direction that will balance the weight of the wire.