a man lives on the 100th floor of an apartment building. On rainy days he rides the elevator all the way up. However, on sunny days, he goes half way and takes the stairs the rest of the way. Why?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

How many times did thomas edison mess up the light bulb