There are two buckets, each with an unknown amount of an unknown substance. The temperature of one is 20 °C, and the
temperature of the other is 25°C. What can you conclude about
the substances and their thermal energies? Explain.

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.