If you shook the end of a rope up and down 5 times each second, what would be the period of the waves set up in the rope?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

What is the angular momentum of the bar about the axle?

How does an observation about an object differ from an inference about that object