Why might a police department use a social media account? to catch up on local gossip in case it relates to a case, to network for promotion and job opportunity, to alert citizen to important information such as road closure, to use the page as a site for local elections which would save the department time and money

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?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant