A wave has a wavelength of 1.5 m and a frequency of 6.0 Hz. What is the
speed of the wave?

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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.