A spring oscillates with a period of 0.228 s. what is its frequency? (unit=Hz)

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.

Select all the correct answers. which three statements about electromagnetic radiation are true?

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d