Imagine to artificial satellites with equal masses orbiting earth one satellite is orbiting closer to the earth then the other satellite which of the following would be true about the motions

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

What are igneous intrusions and extrusions

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?