Is anyone good with 9-10th grade physics? ? pm me i have a few questions.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus