Which of the following statements is true? a. both mass and weight depend on the position of an object. b. neither mass nor weight depend on the position of an object. c. mass depends on the position of an object, but weight does not. d. weight depends on the position of an object, but mass does not.

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.