Two like and equal charges are at a distance of d=5cm and exert a force of F=9×10−3N on each other. Find the magnitude of each charge?

What is the direction of the electrostatic force between them?

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

The air that we breath is made mostly of which gaseous molecule

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.