In order to build a cool house, what is the specific heat capacity required for the materials of the walls?

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?

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

How would a small bar magnet be oriented when placed at position x?