Prove that the potential (r) is a non-decreasing function of r in any spherical system. does the same conclusion hold in an axisymmetric razor-thin disk? if so, prove it; if not, find a counter-example

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

Sound is a disturbance that travels through a medium as a

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque