As a country advances from an undeveloped nation to a modern industrialized nation, it changes in many significant ways. how ever, some parallels will remain. for example was used as an energy source by ancient civilization, and is still being used to produce energy today. a.) wind b.) fusión c.) eléctricity d.) volcanic ash

As the distance from a magnet increases, what happens to the magnet force?

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.