What is the basis for rutherford's planetary model?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Which is the most accurate name for the covalent compound p2o3?