Apendulum is made from a thin cylindrical rod pivoted at the end. it has a length of 0.30 m and radius 0.001 m. it swings up to a max angle. measured from vertical. the angular speed at the bottom of its swing is 2.9 rad/s. what is the max angle in radians?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

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?