Which of the following is an example of kinetic energy? A. a boy resting on a park bench B. a book sitting on a shelf C. a rubber band stretched as far as it can go D. a swing moving back and forth

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.