A plane’s average speed between two cities is 800 km/h. If the trip takes 3 hours, how far does the plane fly? Type your answer in the space below including units! (Hint: s=d/t)

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

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