Fortalezas
Here's a brief overview of the main concepts covered in each unit:
"Because it's a cross product," Lucas said, sliding into the seat next to her. "The force is always perpendicular to the velocity. It doesn't speed the particle up; it turns it."
El libro es una herramienta robusta. Sus problemas suelen tener un nivel de dificultad medio-alto, perfecto para preparar una Selectividad exigente.