Make a problem where an object goes through three different energy changes. The last change needs to be a situation where all the energy turns into Spring Potential energy. Write the problem, then separately solve it.

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Which feature of a heating curve indicates a change ofn state

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