Test your hypothesis. How will you use the computer model to test your hypothesis? What steps will you follow? What data will you record? Be specific about which of the variables you will adjust and when.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

If a star is moving toward earth, it is

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.