What diameter of a steel rod is required to support a tension load of 44.5 kn? assume that the allowable stress for the steel is f=165n/mm^2

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

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?

How to tell if a molecule is polar or nonpolar with electronegativity