|'| The Experimental Concepts For of the following cases, determine if it is possible for an object and explain your answer. 1. speed that is not constant AND acceleration. a , that is not constant? 2. speed is 0 m/s AND constant, non-zero acceleration. a ? 3. displacement that is not constant AND constant, non-zero velocity? 4. Constant, non-zero velocity AND speed that is not constant? 5. Constant, non-zero speed AND velocity that is not constant? leration, a