a large fish with a mass of 3.5 kg us swimming due east with a velocity of 4.6m/s. it swallows a much smaller fish with a mass of 0.4kg that is initially at rest. afterward the two fish move together with the same velocity. what is the magnitude and direction of their final velocity

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.