A.
动量守恒,动能守恒; Momentum conservation, Kinetic Energy conservation;
B.
动量守恒,动能不守恒; Momentum is conserved, Kinetic Energy is not conserved;
C.
动量不守恒,动能守恒; Momentum is not conserved, Kinetic Energy is conserved;
D.
动量不守恒,动能不守恒; Momentum is not conserved, Kinetic Energy is not conserved;