What should i tell my bf that will make him hard???

What about a rubber band, can it change its shape? is it a solid?

Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration

Kinetic energy depends a. mass b. speed (velocity) c. both of the above d. none of the above