If you shake one end of a rope up and down, a wave passes
through the rope. Which type of wave is it?
surface wave
transverse wave
longitudinal wave
None of the above

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?