Which of the following are properties of mechanical waves? A. Waves transport energy, but not matter.
B. Energy travels toward the source in all wave motion.
C. The particles of the medium always move parallel to the wave
motion.
D. The three categories of mechanical waves are transverse,
longitudinal, and surface waves.

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?