The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 2.49 m long and makes an angle of 0= 78.7° with the x axis, and the wire carries a current of 1.59 A. What is the net magnetic force on the wire in unit-vector notation if the magnetic field is given by (a) 4.11 k T? (b) 4.39 Î T? (a) Number ( i k) Units (b) Number ( i R) Units i

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