A scientist is using a telescope to detect light waves to determine the difference between two objects what is a likely pair of objects scientist could be studying? A. two oranges growing on the same tree B. Two cells in a fish’s scale C. Earth and Jupiter D. All of the above

The mantle is made up of which structural zones?

The energy released by a nuclear fusion reaction is produced when

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.