Which statement is true? Triangular pyramids and triangular prisms have the same number of faces.
Triangular prisms and rectangular prisms have the same number of bases.
Cubes and triangular pyramids have the same number of faces.
Triangular prisms and rectangular prisms have the same number of faces.

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.