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Q. A long wire lying along the x-axis carries a current of 2.40 A in the +x direction. There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes') in units of Tesla. Calculate the y-component of the magnetic force acting on a segment of wire of length L = 17.0 cm.

Q. How fast must the candy bar travel to have the same joules in the form of kinetic energy? (Assume the candy bar's mass is 0.3 kilogram.)

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