Fisica Santillana 2 Bachillerato _top_: Solucionario

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?”

It was a monster: an inclined plane with two blocks, a friction coefficient that changed halfway down, a spring at the bottom, and a pulley that, for some sadistic reason, had mass and rotational inertia. The diagram looked like a plate of tangled spaghetti. solucionario fisica santillana 2 bachillerato

His heart did a quick, traitorous leap.