An object that completes 100 vibrations in 5 seconds has a period of 0.5
1 second
2seconds
None of the above

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

How are positive ions different from neutral atoms

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter