Aball is kicked horizontally at 8.0 m/s from a cliff 80m high. what is the acceleration of the ball in the vertical
direction?

when it gains or loses electrons

i guess it’s a and b

i think the answer would be reserve.

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.