A p-wave has a very low frequency, typically around 0.050 Hz. If the speed of a p-wave with this frequency is 8000 m/s, what is its wavelength?

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