Ms. Lawson is making a video about waves. In the video she wiggled a string to create a transverse wave. The wave had a wavelength of 2.0 m and speed of 1.5 m/s. What was the frequency of the wave?

What does x represent in the formula for the compound xcl4?

Fossil fuels are organic compounds that are made from

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added