Two identical cars were involved in a collision at an icy intersection. car a was stopped at a traffic light. car b was moving at a speed vwhen it suffered a perfectly inelastic collision with the back end of car a. with what speed did the two cars slide into the intersection after the collision?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.

Compare the patterns of the two waves shown in the image. which statement is true about these waves?