. The displacement vector A has a length of 50 m and a direction of 300 east of north;
the displacement vector B has a length of 35 m and a direction 700 west of north. What is
the magnitude and direction of A x B.

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

Which two particles are found in the center of an atom

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=