A model airplane is aimed due south, but a steady breeze, with a speed of 6.86 m/s, blows in the western direction, taking the airplane off course. An observer on the
ground below measures the speed of the plane to be 10.72 m/s. What would the
speed of the model airplane be if there were no breeze?

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.