here are the answers for the “Predicting Changes In Kinetic Energy” quick check.
1. One object has a greater speed than the other object.
2. The truck has more kinetic energy because it has a greater mass.
3. A blue car with a mass of 500 kg moving at 30 m/s
4. The wildlife keeper because they have a greater mass
5. His kinetic energy increased while his speed increases, then it became constant