The south pole of one bar magnet is near the south pole of another bar magnet. What happens between the magnets? A. They attract each other.
B. They twist toward each other.
C. They neither attract nor repel each other.
D. They repel each other.

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Observations show that interstellar clouds can have almost any shape and

What are some properties of transverse waves?

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.