Two centrifuges rotate at the same peripheral velocity of 53.34 m/s. The bowl of the first centrifuge has a radius of 76.2 mm while the radius of the second is 305 mm. Calculate the revolutions per minute and the ratio of the centrifugal force to gravitational force developed in each bowl.

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.