Which of the following would change the force between two particles the most? doubling one charge
tripling the distance
double both charges
reducing the distance by a half

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f

What is the major limitation to the light microscope?

What happens when a rubber rod is rubbed with a piece of fur?