Question

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.)
dfs

Related Questions

Two 0.55 kg basketballs, each with a radius of 15 cm, are just touching. Ignore any other gravitatio... Two 0.61 kg basketballs, each with a radius of 13 cm, are just touching. How much energy is required... Last week, a sporting goods store had a big sale. During the sale, shoppers bought 1/15 of the store...