5. [14 Points] DETAILS OSCOLPHYSZO16ACC 8.1.WA.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 1.0 m/s and a mass of 0.50 kg. Cart 2 has a mass of 0.74 kg. (a) If the total momentum of the system is to be zero, what is the initial speed (in m/s) of Cart 2? (Enter a number.) E m (b) Does it follow that the kinetic energy of the system is also zero since the momentum of the system is zero? 0 Yes ONo (c) Determine the system's kinetic energy (in J) in order to substantiate your answer to part (b). (Enter a number.) :11