On Planet X a 0.5 kg space rock falls a distance of 2.5

Last updated: 7/10/2022

On Planet X a 0.5 kg space rock falls a distance of 2.5 meters and loses 20 J of energy. What is the gravity on Planet X? a. How much energy was lost? b. What is the mass of the space rock? c. What distance did the space rock fall?