Astudent leaves a sidewalk corner, walks 3.0 blocks north , then walks 3.0 blocks west. what is the students displacement from starting position

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Who was the first scientist to measure speed as distance over time?

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the