Which of the following is true of Earth's gravity? A.
It pushes objects away from the Earth's surface without touching them.
B.
It only has an effect on the Moon and the Sun.
C.
It pulls objects toward the Earth's surface without touching them.
D.
It only has an effect on objects farther than ten meters from the E

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.