Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 m/s to 40 m/s the first second and from 40 m/s to 45 m/s the next second. What is the car's acceleration?

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.