Magnet a and b are of equal magnetic strength and which position will magnets a& b have the greatest attraction for toward each other

If the speed of a particle triples ,by what factor does its kinetic energy increase?

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor