The average distance of a comet in orbit around the sun is 19 AUs. How long will the comet take to orbit the sun?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.