Calculate the orbital period for jupiter's moon io, which orbits 4.22×10^5km from the planet's center (m=1.9×10^27kg) .

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv. a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.