A cart with a mass 340g moving on frictionless linear airtrack at an intial speed od 102m/s undergoes an elasticcollisionwith an initially stationary cart of unknown mass. Afterthe collision, the first cart continues in tis original disrectionat 0.66m/s.
a) what is the mass of the second cart?
b) what is the speed after impact?
c) what is the speed of the two -cart center of mass?