Which of the following objects has the greatest kinetic energy?
a .o a baseball flying tough the air at 90 miles per hour
b. a baseball flying through the air at 45 miles per hour
c. a baseball flying through the air at 20 miles per hour
d. a baseball sitting on the ground

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.