An proton is placed in a uniform electric field pointing to the right. Which of the following describes the proton's motion. It will move to the right, slowing down as it goes
It will move to the right, speeding up as it goes
It will move to the left, slowing down as it goes
It will move to the left, speeding up as it goes

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.