In the bohr model, what is the ratio of its kinetic energy to its potential energy?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

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