At room temperature (68°F) a steel sphere (ball) with a diameter of 25cm rests on an aluminum ring of dimeter 24.75cm. Which one do I heat in order to have the ball pass through the ring? What temperature will it need to be?

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

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

Which articulations allow for greatest range of motion?