As a pendulum swings back and forth, its total energy is 16 j. what is its potential energy at 3/4 its maximum height?

scientific laws are the result of testing theories and proving them to be facts.

c) up is the direction the magnetic force is acting on the charge.

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.