Based on the wall of conservation of energy how can we reasonably improve a machines ability to do work?

An air bubble underwater has the same pressure as that of the surrounding water. As the air bubble rises toward the surface (and its temperature remains constant), the volume of the air bubble. a) increase or decrease, depending on the rate it rises.

Which of the following is a difference between a mercury barometer and an aneroid barometer? a. The mercury barometer is smaller b. The mercury barometer can provide a continuous record of pressure changes c.

What is the wavelength of an earthquake wave if it has a speed of 7 km/s and a frequency of 5 Hz? I have one hour left to answer.

What happens as a result of an increase in the intensity of a sound wave? - the frequency of a soundwave increases. - the velocity of the sound wave decreases. - the energy of the soundwave increases. - the amplitude of the soundwave decreases

Jane, looking for tarzan, is running at top speed (5.2 m/s) and grabs a vine hanging 4.5 m vertically from a tall tree in the jungle. how high can she swing upward?

In equation y = mx means what

Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents? Why or why not

What are 3 types of muscle tissue still?

Which of the following is a true statement? * Waves do not transport matter through which they travel Waves can transport matter through solids, liquids and gases, but not through empty space.

What happens to the amplitude of a sound wave when energy transfer is increased? A As the transfer of energy is increased, the amplitude increases causing the sound to get louder.