Solucionario Fisica Santillana 2 Bachillerato Patched -

Professor Rivas handed back the exams a week later. Marcos saw the red number at the top: .

He had tried everything. Newton’s Second Law gave him three equations with four unknowns. Energy conservation seemed promising until he realized the spring’s compression depended on the friction of the first segment. His notebook was a battlefield of crossed-out m·g·sinθ and tear-stained free-body diagrams. solucionario fisica santillana 2 bachillerato

Marcos smiled and wrote back in the margin: “From a very patient teacher.” Professor Rivas handed back the exams a week later

Next to problem 47, the professor had written a tiny note in his spidery handwriting: “Good insight on the pulley. You didn’t fall for it. Where did you learn that trick?” solucionario fisica santillana 2 bachillerato