Instructor Access Kit, Mastering Physics for Young/Freedman's Essential University Physics, 11th edition (2004). Mastering Physics is the first socratic tutoring system developed specifically to offer physics teachers a comprehensive library of widely tested multiple-part, multi-step physics tutorials and problems that incorporate symbolic math, numerical values, true/false, and choose all that apply answers. Mastering Physics is powered by MyCyberTutor by Effective Educational Technologies.