Answer:
Two objects with different masses collide and bounce back after an elastic collision.
In this book, Jonathan Kozol wrote an ethnography of public schools in Chicago and its suburbs. Kozol argued that, because schools were funded by local property taxes, children in poor neighborhoods were necessarily trapped in poor schools. This system reinforces inequality. He also records the many differences between "poor" and "rich" schools," which included the difference in funding in arts and music and the number of foreign language teachers, nurses, librarians and psychologists.
