Which two types of waves can transmit energy through a vacuum? 1.radio waves 2.seismic waves 3.sound waves 4.water waves 5.x-rays

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

Newtons view of arrangement of the universe

Should we celebrate the voyages of zheng he mini q answer key