Part A The cable of a crane is lifting a 750 kg girder. The girder increases its speed from 0.25 m/s to 0.75 m/s in a distance of 3.5 m. What is the girder's change in kinetic energy? Express your answer with the appropriate units. HA PC ? AK = Value Units Submit Request Answer Part B How much work is done by gravity? Express your answer with the appropriate units. View Available Hint(s) HA Value Units Submit Part C How much work is done by tension? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) HA ? WT = Value Units Submit