Apiece of wire of length 12m is streched through 2.5 cm by mass of 5kg (a) through what length will a mass of 12.5kg strech it? (b) what force will strech it through 4cm? pls me

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.

if i write it on a piece of paper and submit it to you would that be okay

explanation: