13. What is the speed of the wave if it took 35 seconds for the entire train of wave to pass through a certain point?
0.35 cm/sec
0.57 cm/sec
0.28 cm/sec
0.47 cm/sec

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation