A wave travels along is stretched horizontal rope. The vertical distance from crest to trough For this wave is 19 cm and the horizontal distance from Crest to trough is 21 cm.

A. What is the wavelength of this wave?

B. What is the amplitude of this wave?

Drag each item into the proper state of matter category.

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

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)