Which example describes the use of a renewable resource?
A. heating soup over a gas burner
B. making a fire out of wood
C. putting gasoline in a car
D. eating with a plastic spoon

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

What is the coefficient of kinetic friction μk between the block and the tabletop?