Hold one end of a meter stick down firmly on a table so that 20 centimeters of the meter stick extends past the edge of the table. pluck the end of the meter stick that extends past the table to produce a vibration and a sound as shown. observe the vibration and sound of the meter stick. !

Energy is the ability to do work which measures what

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.