When a wave strikes a solid barrier, it behaves like a tennis ball hitting a wall. this demonstrates which wave behavior? a. diffraction b. constructive interference c. refraction d. reflection

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

Which is the most accurate name for the ionic compound cas?

Which sections of the heating curve illustrate this process?