A2 kg bowling bowl is 1 meter off the ground on a post when it falls. just before it reaches the ground, it is travelling 4.4 m/s. assuming there is no air resistance, which of the following statements is true 1. the mechanical energy is conserved 2. the initial potential energy is less than the final kinetic energy 3. the initial potential energy is greater than the final kinetic energy 4. the mechanical energy is not conserved