A painter can cover a circular region with a radius of 3 feet with paint in 2 minutes. At this rate, how many minutes will it take the painter to cover a circular region with a radius of 6 feet with paint?

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy