An incandescent lightbulb has a power of 60 W in an efficiency of 1.7% a CFL bulb has the power of 18 W in an efficiency of 8.5% how much energy is used in the incandescent bulb is left on for 12 hours

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine