Which of the following statements is true

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

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?

More solar radiation is absorbed by earth’s surface than by