These types of power plants are virtually pollution free

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

The total amount of energy contained in an object