1. A welding machine with a mass of 5.2 kg is lifted 1.5 m from the garage floor. What is the potential energy gained by the welding machine?
2. A van with mass of 2,500kg travelled from the distance at 2 meters per second and travelled back to its starting to pint at 4 meters per second. What is the KE of the van going and returning?
3. What is a KE of a 1500 delivery vehicle going to the market with a speed of 14 m/s.? 4. The 2.5kg hammer is 0.4 m up. What is the potential energy?
5. Pablo drops a 0.1 mango im. what speed does it hit the ground with
