Which of the following is a characteristic of a mixture? A. It has varying properties. B. It has a fixed composition. C. It only contains pure substances. D. It has both varying properties and a fixed composition?

Average cost of of 7cent per kilowatt hour what would be the cost of burning a 40 W bulb for 8 hours per night for 14 nights show your calculations

What force causes Earth to orbit the Sun? O O A. Magnetic force B. Nuclear force O C. Gravitational force O D. Elastic force

A car is traveling 11.4 m/s. A truck having four times the mass of the car is traveling at 22.7 m/s. How many times greater is the trucks kinetic energy compared to the cars kinetic energy?

Which statement describes what happens when Bret runs up a flight of stairs? His kinetic energy increases. His potential energy decreases. His kinetic energy is converted into potential energy. His potential energy is converted into kinetic energy.

This is the correct answer just took the test.

1875 kg car is traveling at 22 m/s. It's momentum is?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension