A conducting bar with mass m and length L slides over horizontal rails that are connected to a voltage source. The voltage source maintains a constant current I in the rails and bar, and a constant, uniform, vertical magnetic field B fils the region between the rails (see the figure (Figure 1). Part A Find the magnitude of the net force on the conducting bar. Ignore friction, air resistance, and electrical resistance. Express your answer in terms of the variables 1700 A, 45 cm, and 0.90 T. ? F- 688.5 Submit Previous Answers Reguest Answer X Incorrect; Try Again; 4 attempts remaining > Part B • Part C If the bar has mass m, find the distance d that the bar must move along the rails from rest to attain speed u Express your answer in terms of the variables 1700 A, 45 cm, v, 21 kg, and 0.90 T. Figure < 1 of 1 ? d= 0.015250v Submit Previous Answers Reguest AnsEwer X Incorrect; Try Again; 5 attempts remaining

A conducting bar with mass m and length L slides over horizontal rails that are connected to a voltage source. The voltage source maintains a constant current I in the rails and bar, and a constant, uniform, vertical magnetic field B fils the region between the rails (see the figure (Figure 1). Part A Find the magnitude of the net force on the conducting bar. Ignore friction, air resistance, and electrical resistance. Express your answer in terms of the variables 1700 A, 45 cm, and 0.90 T. ? F- 688.5 Submit Previous Answers Reguest Answer X Incorrect; Try Again; 4 attempts remaining > Part B • Part C If the bar has mass m, find the distance d that the bar must move along the rails from rest to attain speed u Express your answer in terms of the variables 1700 A, 45 cm, v, 21 kg, and 0.90 T. Figure < 1 of 1 ? d= 0.015250v Submit Previous Answers Reguest AnsEwer X Incorrect; Try Again; 5 attempts remaining