A soccer ball is dropped from the height of 2m and falls to the floor. What is the relationship of the potential and kinetic energies of the ball as the ball falls to the floor?

We know , gravitational force is a conservative force .

Therefore , total energy of the system remains constant .

Let , mass of object is m.

So ,

Therefore , the velocity at floor is 6.26 m/s .

Hence , this is the required solution .

b.

explanation:

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.