Which action could a student take to produce a longitudinal wave with a large amplitude? A. Stand still as possible
B. Light a candle
C. Bang on a drum
D. Drop a pebble in a pond

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.