Which type of rock is formed 20 kilometers below earth’s surface?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

The total amount of energy contained in an object

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.