Two 0.53-g basketballs, each with a radius of 17 cm, are just touching.
How much energy is required to change the separation between the centers of the basketballs to 1.1 m? (Ignore any other gravitational interactions.)
How much energy is required to change the separation between the centers of the basketballs to 11 m? (Ignore any other gravitational interactions.)
1 answer
dfs