Expand your horizons with the diverse and informative answers found on IDNLearn.com. Ask your questions and receive reliable and comprehensive answers from our dedicated community of professionals.

Miguel (m=72) and Fernando (89 kg) board the bumper cars at the local carnival. Miguel is moving at a velocity of 4 m/s when he rear-ends Fernando who is at rest in his path. Fernando and his 125-kg car lunge forward at 2 m/s. Determine the post-collision velocity of Miguel and his 125-kg car.